Table of Contents

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2007 BUELL LIGHTNING MODELS
SERVICE MANUAL
Part Number 99490-07Y
Section 1: Maintenance
Section 2: Chassis
Section 3: Engine
Section 4: Fuel System
Section 5: Starter
Section 6: Drive/Transmission
Section 7: Electrical
Appendices

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Table of Contents
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Summary of Contents for Buell 2007 LIGHTNING

  • Page 1 2007 BUELL LIGHTNING MODELS SERVICE MANUAL Part Number 99490-07Y Section 1: Maintenance Section 2: Chassis Section 3: Engine Section 4: Fuel System Section 5: Starter Section 6: Drive/Transmission Section 7: Electrical Appendices...
  • Page 2: Table Of Contents

    MAINTENANCE Table Of Contents SUBJECT PAGE NO. 1.1 General ............1.2 Fuel and Oil .
  • Page 4: General

    Operate the vehicle to perform any final check or adjust- All required parts or materials can be found in the appropriate ments. If all is correct, the vehicle is ready to go back to the PARTS CATALOG. customer. 2007 Buell Lightning: Maintenance...
  • Page 5: Repair And Replacement Procedures

    Always use the proper tools and fixtures for removing and installing bearings. Part Replacement Bearings do not usually need to be removed. Only remove bearings if necessary. Always replace worn or damaged parts with new parts. 2007 Buell Lightning: Maintenance...
  • Page 6: Part Protection

    When breaking loose a fastener, apply a small amount of Always cut at right angles. pressure as a test to be sure the ratchet’s gear wheel is Don’t use any prybar as a chisel, punch or hammer. engaged with the pawl. 2007 Buell Lightning: Maintenance...
  • Page 7: Storage Units

    Close lids and lock drawers and doors before moving storage units. Don’t pull on a tool cabinet; push it in front of you. Set the brakes on the locking casters after the cabinet has been rolled to your work. 2007 Buell Lightning: Maintenance...
  • Page 8: Fuel And Oil

    Water mixed with oil forms a sludge that causes accelerated engine wear. In freezing tempera- Buell motorcycles are designed to give the best performance tures, the water becomes slush or ice, which may clog oil using unleaded gasoline.
  • Page 9: Maintenance Schedule

    Engine mounts and stabilizer links Inspect Road test Verify component and system functions NOTES: Should be performed by an authorized Harley-Davidson/Buell dealer, unless you have the proper tools, service data and are mechanically qualified. Change brake fluid every two (2) years. 2007 Buell Lightning: Maintenance...
  • Page 10 Brake pad linings and discs Minimum brake pad thickness 0.040 in. (1.0 mm) or less Minimum brake disc thickness 0.18 in. (4.5 mm) or less Intake cover assembly Intake cover screw torque 12-36 in-lbs (1.3-4 Nm) 2007 Buell Lightning: Maintenance...
  • Page 11 HYDRAULIC FORK OIL (TYPE E) Part No. 99884-80 4.29 in. (109 mm) from the top of the fork tube Battery Lubricant ELECTRICAL CONTACT LUBRICANT Part No. 99861-02 (1 oz.) Battery terminal torque 72-96 in-lbs (8-11 Nm) 2007 Buell Lightning: Maintenance...
  • Page 12: Battery Maintenance

    HOME BATTERY MAINTENANCE GENERAL BATTERY TESTING Voltmeter Test Buell motorcycle batteries are permanently sealed, mainte- nance-free, valve-regulated, lead/calcium and sulfuric acid Table 1-4. The voltmeter test provides a general indicator batteries. The batteries are shipped pre-charged and ready to of battery condition. Check the voltage of the battery to verify be put into service.
  • Page 13: Cleaning And Inspection

    Inspect the battery case for cracks or leaks. 100 % at 77 ° F 75 % at 105 ° F 50 % M O N T H S O F S T A N D Figure 1-2. Battery Self-Discharge Rate 1-10 2007 Buell Lightning: Maintenance...
  • Page 14 (00068a) CAUTION Do not over-tighten bolts on battery terminals. Use rec- ommended torque values. Over-tightening battery termi- nal bolts could result in damage to battery terminals. (00216a) 2007 Buell Lightning: Maintenance 1-11...
  • Page 15: Engine Lubrication System

    The motorcycle must be on level ground, on the side- stand, with the engine off. Figure 1-3. Unscrew and remove dipstick from oil tank/swingarm filler hole. Wipe dipstick clean. Insert dipstick into oil tank filler hole, screwing dipstick in completely. DO NOT OVER TIGHTEN. 1-12 2007 Buell Lightning: Maintenance...
  • Page 16 (00047b) tank/swingarm. Wipe any accumulated debris from mag- netic tip on drain plug. 11140 Figure 1-5. Dipstick Location Figure 1-5. Unscrew and remove dipstick from oil fill hole on top of oil tank/swingarm. 2007 Buell Lightning: Maintenance 1-13...
  • Page 17 ° H.D. Multi-Grade SAE 20W50 HD 360 Above 40 (4°C) Good ° H.D. Regular Heavy SAE 50 HD 360 Above 60 (16°C) Poor ° H.D. Extra Heavy SAE 60 HD 360 Above 80 (27°C) Poor 1-14 2007 Buell Lightning: Maintenance...
  • Page 18: Brake System Maintenance

    (00239a) ify D.O.T. 4 fluid on the reservoir cap. Mixing different types of fluid may adversely affect braking ability and lead to brake failure which could result in death or seri- ous injury. 2007 Buell Lightning: Maintenance 1-15...
  • Page 19 Distorted, glazed or contaminated Replace pads. brake pads. Brake pads drag on rotor – Cup in master cylinder not uncovering Inspect master cylinder. will not retract. relief port. Rear brake pedal linkage out of Adjust linkage. adjustment. 1-16 2007 Buell Lightning: Maintenance...
  • Page 20: Bleeding Front Brake

    Verify master cylinder fluid level as described in step 4. 10. Attach cover to front master cylinder reservoir and tighten fasteners to 9-13 in-lbs (1.0-1.5 Nm). 11. Remove cover from molded-in-color surfaces, right han- dlebar switches and instrument panel. 2007 Buell Lightning: Maintenance 1-17...
  • Page 21: Bleeding Rear Brake

    Repeat steps 5-6 until all air bubbles are purged. Tighten rear caliper bleeder valve (metric) to 36-60 in- lbs (4-7 Nm). Verify master cylinder fluid level as described in step 3. Install cover on master cylinder reservoir and tighten cap securely. 1-18 2007 Buell Lightning: Maintenance...
  • Page 22 Figure 1-11. Critical Measurements with Typical Nm). Brake Pedal NOTE Brake pedal has no free play adjustment. 8349 Bottom of master cylinder Rod adjuster Locknut Clevis Clevis pin Figure 1-12. Rear Brake Pedal Pushrod Adjustment 2007 Buell Lightning: Maintenance 1-19...
  • Page 23 0.18 in. (4.5 mm). Replace drive bush- ings, fasteners, washers and springs whenever rotor is replaced. Check rotor surface. Replace if warped or badly scored. 2.12 FRONT BRAKE CALIPER 2.15 REAR BRAKE CALIPER for procedure. Figure 1-14. Front Brake Rotor 1-20 2007 Buell Lightning: Maintenance...
  • Page 24: Brake Pad Replacement

    10. Install front master cylinder reservoir cap with gasket and tighten fasteners to 9-13 in lbs. (1.0-1.5 Nm). NOTE Avoid making hard stops for the first 100 miles (160 km) to allow new brake pads to “wear in” properly with the rotor. 2007 Buell Lightning: Maintenance 1-21...
  • Page 25 ERS. 12. Check fluid level. NOTE Avoid making hard stops for the first 100 miles (160 km) to allow new brake pads to “wear in” properly with the rotor. Figure 1-17. Rear Brake Pad Spring 1-22 2007 Buell Lightning: Maintenance...
  • Page 26: Tires And Wheels

    WARNING WARNING Never use compressed air to “spin-dry” bearings. Very Use only Buell approved tires. See a Buell dealer. Using high bearing speeds can damage unlubricated bearings. non-approved tires can adversely affect stability, which Spinning bearings with compressed air can also cause a could result in death or serious injury.
  • Page 27: Clutch

    Clutch adjusting screw ing three fasteners and washers to 84-108 in-lbs (10- Primary cover 12 Nm). Correct chaincase lubricant level 10. Clean up any fluid that may have spilled on muffler. Figure 1-22. Fluid Level 1-24 2007 Buell Lightning: Maintenance...
  • Page 28 Adjuster adjusting screw clockwise until it aligns. Figure 1-23. Clutch Cable Adjuster Mechanism NOTE Spring installs on outboard side of hex lockplate. 8405 Diaphragm spring Lockplate Adjusting screw Figure 1-24. Clutch Adjustment 2007 Buell Lightning: Maintenance 1-25...
  • Page 29 Each time the clutch inspection cover is removed the gasket must be replaced. Figure 1-20. Install clutch inspection cover and new Figure 1-25. Adjusting Clutch Free Play gasket using three fasteners and washers and tighten to 84-108 in-lbs (10-12 Nm). 1-26 2007 Buell Lightning: Maintenance...
  • Page 30: Drive Belt Maintenance

    Keep dirt, grease, oil, and debris off the belt, idler pulley and sprockets. Clean the drive belt with a mild soap and water spray solution as required. Dry thoroughly. Do not immerse belt in solution. Do not direct pressurized water on belt. 2007 Buell Lightning: Maintenance 1-27...
  • Page 31 Clean and protect drive Cracks in back of belt Inspect/replace sprocket Cut by sharp debris (not at belt edge) Continue to run but monitor condition frequently Inspect/replace sprocket Cut by sharp debris at belt edge Inspect/replace belt 1-28 2007 Buell Lightning: Maintenance...
  • Page 32 Inspect/replace belt Excessive drive noise Inspect/replace sprocket Clean and protect drive Debris stuck in belt Inspect/replace belt Missing/damaged belt guards Inspect/replace sprocket Follow proper handling/installation procedure Debris stuck in sprocket Inspect/replace belt Missing/damaged belt guards 2007 Buell Lightning: Maintenance 1-29...
  • Page 33 HOME NOTES 1-30 2007 Buell Lightning: Maintenance...
  • Page 34: Primary Chain

    Install primary chain inspection cover ENGINE and new gasket to primary cover using two fasteners TEMPERATURE with captive washers. Tighten fasteners to 84-108 in-lbs (10-12 Nm). Cold 3/8-1/2 9.5-12.7 Hot (normal running 1/4-3/8 6.4-9.5 temperature) 2007 Buell Lightning: Maintenance 1-31...
  • Page 35 Loosen locknut (1). Turn adjusting fastener (2): Clockwise (inward) to reduce free play. Counterclockwise (outward) to increase free play. Tighten locknut (1) to 20-25 ft-lbs (27-34 Nm). Locknut Adjusting Fastener Figure 1-29. Chain Tension Adjusting Fastener 1-32 2007 Buell Lightning: Maintenance...
  • Page 36: Suspension Damping Adjustments

    Inspect your GVWR is the sum of the weight of the motorcycle, acces- tires regularly and see a Buell dealer for replacements. sories, and the maximum weight of the rider, passenger Riding with excessively worn, unbalanced or under- and cargo that can be safely carried.
  • Page 37 77-86 1.50 2.25 1.25 190-210 86-95 1.50 1.25 210-230 95-104 1.25 1.25 1.75 230-250 104-113 1.25 0.75 250-GVWR 113-GVWR 1.25 0.75 * Note all compression and rebound settings are number of turns out from maximum. 1-34 2007 Buell Lightning: Maintenance...
  • Page 38 Table 1-10., Table 1-11. Table 1- Setting Front Fork Compression Damping Figure 1-31. Using a screwdriver, turn the slotted dial clockwise until it stops. This is the maximum compression damping setting. Figure 1-31. Front Fork Compression Damping Adjuster 2007 Buell Lightning: Maintenance 1-35...
  • Page 39 Using a screwdriver, turn the slotted dial clockwise until it stops. This is the maximum rebound damping setting. Then turn the dial counterclockwise the recommended amount specified in Table 1-10., Table 1-11. Table 1- Figure 1-33. Rear Shock Rebound Adjustment 1-36 2007 Buell Lightning: Maintenance...
  • Page 40 While riding, a loose seat can shift causing loss of control, which could result in death or serious injury. (00070a) If removed, install seat. See 2.44 SEAT. Figure 1-35. Rear Shock Compression Damping Adjuster (XB12Ss) 2007 Buell Lightning: Maintenance 1-37...
  • Page 41: Steering Head Bearings

    With scale 90 degrees from fork leg, pull front or damaged steering or suspension systems. Contact a wheel to center position. Buell dealer for repairs. Loose, worn or damaged steer- The desired resistance is between 1-7 lbs (0.5-3.2 kg). ing or suspension components can adversely affect sta-...
  • Page 42: Spark Plugs

    A plug with eroded electrodes, heavy deposits or a cracked insulator must be replaced. A plug with a white, yellow, tan or rusty brown pow- dery deposit indicates balanced combustion. Clean off spark plug deposits at regular intervals. 2007 Buell Lightning: Maintenance 1-39...
  • Page 43 After installing seat, pull upward on front of seat to be sure it is in locked position. While riding, a loose seat can shift causing loss of control, which could result in death or serious injury. (00070a) 16. Install seat. See 2.44 SEAT. 1-40 2007 Buell Lightning: Maintenance...
  • Page 44: Air Cleaner Filter

    Figure 1-45. Make sure two crankcase breather hoses (1) and intake air sensor (2) are captured in base- plate behind velocity stack (3). Figure 1-41. Actuator Cover for XB12 Models with translucent body panel. 2007 Buell Lightning: Maintenance 1-41...
  • Page 45 2.44 SEAT. 12145 Filter element Breather hoses (2) Baseplate assembly Intake air sensor Air cleaner cover latch tabs Velocity stack Velocity stack Figure 1-44. Installed Air Cleaner Filter Element Figure 1-45. Air Cleaner Baseplate Assembly 1-42 2007 Buell Lightning: Maintenance...
  • Page 46: Throttle Cable And Idle Speed Adjustment

    1050 - 1150 RPM. 10. Install air scoop. See 2.39 AIR SCOOPS. 11. If removed, install baseplate, air cleaner, and intake cover assembly. See 4.44 AIR CLEANER ASSEMBLY. 12. Recheck engine slow idle speed; adjust if required. 2007 Buell Lightning: Maintenance 1-43...
  • Page 47: Interactive Exhaust Cable (Xb12 Models)

    Adjust cable as needed using cable adjuster (1). Adjuster Interactive exhaust cable Jam nut Cable wheel Figure 1-48. Interactive Exhaust Cable Figure 1-48. Loosen jam nut (3). Remove cable (2) from bracket and cable wheel (4). NOTE 1-44 2007 Buell Lightning: Maintenance...
  • Page 48 When the exhaust valve moves to the open position, you should see the mark on the cable core made previously. This ensures the system is working prop- erly. If you do not see the mark, verify previous cable adjust- ment. 2007 Buell Lightning: Maintenance 1-45...
  • Page 49: Ignition Timing

    Gently bump flywheel forward in tiny increments. Figure 1-52. If the static timing is correct, the screen will switch to HIGH - 5 volts at the precise moment the timing mark exactly centers in the inspection window. Figure 1-52. Correct Timing 1-46 2007 Buell Lightning: Maintenance...
  • Page 50 Tighten sensor plate fasteners to 15-30 in-lbs (1.7-3.4 Nm). Recheck timing. Figure 1-55. Advanced Timing 12136a b1248x1x Figure 1-56. Retarded Timing Figure 1-53. Timer Cover 8391a Figure 1-54. Cam Position Sensor 2007 Buell Lightning: Maintenance 1-47...
  • Page 51: Headlights

    Check that the correct pattern of light is a circular Low beam pattern and is centered on the horizontal line as shown in Figure 1-57. Figure 1-58. Headlamp Switch Adjust headlamp alignment. See ADJUSTMENT section. 1-48 2007 Buell Lightning: Maintenance...
  • Page 52 NOTE Only loosen headlamp alignment fasteners enough to adjust headlamp. Once headlights are aligned, tighten fasteners to 48-72 in-lbs (5-8 Nm). 9950 Figure 1-59. Horizontal Headlamp Adjustment 9951 Figure 1-60. Vertical Headlamp Adjustment 2007 Buell Lightning: Maintenance 1-49...
  • Page 53: Throttle Position Sensor (Tps)

    TPS should be re-calibrated. See ADJUSTMENT below. Connect vehicle to Digital Technician. Select calibrations screen/TPS Function. Select Buell TPS zero tab. Select TP volts on screen. Figure 1-61. Back off idle adjustment until TP volts stop decreasing and then continue to back out one full turn.
  • Page 54: Storage

    Wash and polish molded-in-color, painted and chrome- plated surfaces. If motorcycle is to be covered, use a material that will breathe, such as light canvas. Plastic materials that do not breathe promote the formation of condensation. 2007 Buell Lightning: Maintenance 1-51...
  • Page 55: Troubleshooting

    18. TP Sensor/fast idle screw not set properly. See dealer. 20. Inoperative fuel injector. See dealer. 19. No output from CMP sensor. See dealer. 21. Obstructed fuel tank vent valve or pinched vent tube. 20. Inoperative fuel pump. See dealer. See dealer. 1-52 2007 Buell Lightning: Maintenance...
  • Page 56: Electrical System

    Primary chain badly worn or links tight as a result of insufficient lubrication. Poor Fuel Economy Wheels not aligned and/or tires worn. Oxygen sensor damaged or malfunctioning (bike running Internal engine problem. rich). See dealer. Wheels not balanced correctly. Air intake screen covered or restricted. 2007 Buell Lightning: Maintenance 1-53...
  • Page 57 See 1.11 SUSPENSION DAMPING ADJUSTMENTS. 10. Heavy front end loading. Non-standard equipment on the front end (such as heavy radio receivers, extra lighting equipment or luggage) tends to cause unstable handling. 1-54 2007 Buell Lightning: Maintenance...
  • Page 58 Not absorbing bumps. A good suspension is a balance between damping and track condition. Finding this balance requires exploring all possible compression settings. Lack of tire feedback. Increase compression damping. Tire slides. Decrease compression damping. 2007 Buell Lightning: Maintenance 1-55...
  • Page 59 HOME NOTES 1-56 2007 Buell Lightning: Maintenance...
  • Page 60 Table Of Contents CHASSIS SUBJECT PAGE NO. 2.1 Specifications ..........2.2 Tire Specifications .
  • Page 62: Specifications

    Table 2-6. Brake Rotor Runout WEIGHT-U.S. MODELS LBS. RUNOUT Wet weight Front radial 0.0177 0.45 GVWR Front lateral 0.0248 0.63 GAWR - front Rear radial 0.0177 0.45 GAWR - rear Rear lateral 0.0154 0.39 Load capacity 2007 Buell Lightning: Chassis...
  • Page 63: Torque Values

    2-62 Clutch inspection cover fas- 84-108 in-lbs 9.5-12.2 Nm Tighten in a crosswise pattern, page 2-72 teners Deflector fasteners 24-36 in-lbs 2.7-4 Nm page 2-68 Deflector pivot shaft risers 43-49 in-lbs 4.8-5.5 Nm page 2-68 2007 Buell Lightning: Chassis...
  • Page 64 2-82 Muffler mounting block fas- 32-36 ft-lbs 43-49 Nm LOCTITE 271 (red), page 2-85 tener, rear Muffler strap fastener, front 108-120 in-lbs 12-14 Nm page 2-85 Muffler strap fastener, rear 48-60 in-lbs 5-7 Nm page 2-85 2007 Buell Lightning: Chassis...
  • Page 65 Torca clamp 28-30 ft-lbs 38-40.6 Nm page 2-85 Valve stem nut 40-44 in-lbs 4.5-4.9 Nm page 2-23 Wear peg, rider 36-48 in-lbs 4.1-5.4 snm LOCTITE 271 (red), page 2-86 Windscreen fasteners 10-12 in-lbs 1.1-1.4 Nm page 2-101 2007 Buell Lightning: Chassis...
  • Page 66: Tire Specifications

    8423 WARNING WARNING Tires must be correctly matched to wheel rims. Use only Buell approved tires. See a Buell dealer. Using non- approved tires can adversely affect stability, which could result in death or serious injury. (00133a) Figure 2-1. Tire sizes are molded on the sidewall. Rim size and contour are marked on the rim’s exterior surface.
  • Page 67: Vehicle Identification Number

    A Motor Identification Number is stamped on the left 4MZ KP 01 D 3 7 3 0 00456 Figure 2-2. Typical 2007 Buell Vehicle Identification Number Table 2-8. Buell 2007 XB Models V.I.N. Description ITEM...
  • Page 68: Wheels

    Figure 2-3. Checking Tire Inflation Pressure Figure 2-3. Check tire inflation pressure at least once each week. At the same time, inspect tire tread for punctures, cuts, breaks and other damage. Repeat the inspection before long trips. 2007 Buell Lightning: Chassis...
  • Page 69 Damper tubes. Check for leaks. See 2.16 FRONT FORK. Shock absorbers. Check damping action and mounts. See 1.11 SUSPENSION DAMPING ADJUSTMENTS. Swingarm bearings. Check for proper torque and replace worn or damaged bearings. 2.19 ISWINGARM AND BRACE. 2007 Buell Lightning: Chassis...
  • Page 70 80 mph (130 km/h). Failure to follow this warn- ing could result in death or serious injury. (00118a) WARNING WARNING Use only Buell approved tires. See a Buell dealer. Using non-approved tires can adversely affect stability, which could result in death or serious injury. (00133a) WARNING WARNING Tires are a critical safety component.
  • Page 71: Front Wheel

    Figure 2-5. Raise the wheel up until the rotor clears the caliper and rotate the fork leg counterclockwise 8441 allowing wheel clearance for removal. Remove wheel. Figure 2-5. Front Wheel Removal 2-10 2007 Buell Lightning: Chassis...
  • Page 72 Forcing screw Figure 2-8. Expand the Collet Figure 2-9. Place the bridge (1) against the wheel hub. Hold the forcing screw (2), and turn the nut (3) clockwise until the bearing is free of the hub. 2007 Buell Lightning: Chassis 2-11...
  • Page 73 Always replace brake pads in complete sets for correct and safe brake operation. Improper brake operation could result in death or serious injury. (00111a) Inspect brake rotor and pads. See 1.6 BRAKE SYSTEM MAINTENANCE and 2.12 FRONT BRAKE CALIPER. 2-12 2007 Buell Lightning: Chassis...
  • Page 74: Bearing Installation

    Backing plate Remove the nut, bearing, washer, FRONT BEARING Forcing screw INSTALLER (Part No. B-43993-9) and forcing screw. Figure 2-12. Install the Backing Plate (B-43993-12) and Forcing Screw 2007 Buell Lightning: Chassis 2-13...
  • Page 75 15. Remove the nut, bearing, washer, FRONT BEARING INSTALLER (Part No. B-43993-10) and forcing screw. 16. Install the wheel. See INSTALLATION under 2.5 FRONT Forcing screw WHEEL. Spacer Figure 2-15. Install the Spacer 10. See Figure 2-15. Install the spacer. 2-14 2007 Buell Lightning: Chassis...
  • Page 76 (8) toward center of wheel. Align reference dot on front rotor with the valve stem. CAUTION Do not re-use brake disc screws. Re-using disc screws can result in torque loss and damage to rotor and/or brake assembly. (00319b) 2007 Buell Lightning: Chassis 2-15...
  • Page 77 2-19.Tighten the front axle pinch fasteners (2) to 20-22 ft-lbs (27-30 Nm). Install right side fender fasteners. See 2.35 FENDERS. 8419 Axle (left handed thread) Front axle pinch fasteners (2) (metric) Figure 2-19. Front Wheel Mounting 2-16 2007 Buell Lightning: Chassis...
  • Page 78: Rear Wheel

    Remove idler pulley assembly by removing nuts and washers. See IDLER PULLEY REMOVAL 6.6 DRIVE REMOVER AND INSTALLER (Part No. HD-44060). BELT SYSTEM. Remove lower belt guard. See 2.36 BELT GUARDS. Remove rear wheel spacer (4). 2007 Buell Lightning: Chassis 2-17...
  • Page 79 Be sure that brake fluid or other lubricants do not con- tact brake pads or discs. Such contact can adversely affect braking ability, which could cause loss of control, resulting in death or serious injury. (00290a) 2-18 2007 Buell Lightning: Chassis...
  • Page 80 Tighten pinch fastener (2) on right side of swingarm to Position rear brake rotor (2) on wheel (5). 40-45 ft-lbs (54-61 Nm). Install brake rotor (2) with new rotor mounting fas- teners (1) and tighten to 25-27 ft-lbs (34-37 Nm). 2007 Buell Lightning: Chassis 2-19...
  • Page 81 After repairing the brake system, test brakes at low speed. If brakes are not operating properly, testing at high speeds can cause loss of control, which could result in death or serious injury. (00289a) Figure 2-26. Rear Brake Caliper Carrier Fasteners 2-20 2007 Buell Lightning: Chassis...
  • Page 82: Checking Cast Rim Runout

    Wheel Truing and Balancing Stand (HD-99500-80) Table 2-10. Wheel Rim Runout b0758x2x RUNOUT Maximum lateral 0.040 1.02 Maximum radial 0.030 0.76 Gauge rod Figure 2-28. Checking Cast Rim Radial Runout Using Wheel Truing and Balancing Stand (HD-99500-80) 2007 Buell Lightning: Chassis 2-21...
  • Page 83: Tires

    Inadequate tread depth can cause an accident which could result in death or serious injury. Buell front and rear tires are not the same. Inter- changing front and rear tires can cause tire failure, which could result in death or serious injury.
  • Page 84 Installing a tire with the wrong rotation could result in death or serious injury. Buell front and rear tires are not the same. Inter- Figure 2-32. Starting Bead on Rim (Typical) changing front and rear tires can cause tire failure, which could result in death or serious injury.
  • Page 85 Figure 2-33. Checking Tire Lateral Runout Install tire and again check tire radial runout. b0088x2x Gauge Figure 2-34. Checking Tire Radial Runout Table 2-11. Tire Runout RUNOUT Tire radial 0.060 1.52 Tire lateral 0.080 2.03 2-24 2007 Buell Lightning: Chassis...
  • Page 86: Wheel Balancing

    Allow eight hours for adhesive to cure completely before using wheel. NOTE If wheel assembly is out of specification (1 oz. front, 2 oz. rear) rotate tire on rim and rebalance until wheel is within specification. 2007 Buell Lightning: Chassis 2-25...
  • Page 87: Brake Pedal

    (5) to 22-24 ft-lbs (30-33 Nm). Install clevis pin (2). Rear master cylinder body Install new cotter pin (7). Clevis pin Pedal bushings (2) Shift brake pedal sleeve Brake pedal fastener Brake pedal Cotter pin Figure 2-36. Brake Pedal Assembly 2-26 2007 Buell Lightning: Chassis...
  • Page 88: Front Brake Master Cylinder And Hand Lever 2.10

    Pivot bolt nut (metric) 10. Brake switch fastener 11. Brake switch 12. Brake switch terminal 13. Banjo bolt (metric) 14. Brake line 15. Copper washers 16. Pivot bolt Figure 2-37. Front Brake Hand Lever Assembly 2007 Buell Lightning: Chassis 2-27...
  • Page 89: Front Master Cylinder

    Circlip Figure 2-38. Piston Assembly in Master Cylinder Figure 2-38. Depress piston assembly (1) and remove internal circlip (2) and discard. Figure 2-37. Remove piston assembly (6) from front master cylinder reservoir (4) and discard. 2-28 2007 Buell Lightning: Chassis...
  • Page 90: Front Master Cylinder

    Figure 2-39. Front Master Cylinder Piston Assembly Figure 2-39. Assemble new piston components placing small end of spring (5) behind primary seal of piston (4). Lubricate master cylinder body and piston seals with special lubricant found in the service parts kit. 2007 Buell Lightning: Chassis 2-29...
  • Page 91 Bleed brake system. See 1.6 BRAKE SYSTEM MAINTE- NANCE. 10. See Figure 2-37. Attach master cylinder cover (2) and cover gasket (3). Tighten two cover fasteners (1) to 9- 13 in-lbs (1.0-1.5 Nm). NOTE XB9SX 2.25 DEFLECTORS/HANDLEBARS (XB9SX). 2-30 2007 Buell Lightning: Chassis...
  • Page 92: Front Brake Line

    Carefully inspect the brake line for dents, cuts, chaffing or other defects. Replace the brake line if any damage is noted. P-clamp Brake line Wire form Bleeder valve Banjo bolt Figure 2-42. Front Brake Line 2007 Buell Lightning: Chassis 2-31...
  • Page 93 WARNING After repairing the brake system, test brakes at low speed. If brakes are not operating properly, testing at high speeds can cause loss of control, which could result in death or serious injury. (00289a) 2-32 2007 Buell Lightning: Chassis...
  • Page 94: Front Brake Caliper

    Figure 2-44. Disconnect brake line at caliper. See 2.11 FRONT BRAKE LINE. Remove caliper mounting fasteners (5). Slide caliper down the rotor to clear fork lower and then remove off rotor. Figure 2-46. Removing Pistons (B-42887) 2007 Buell Lightning: Chassis 2-33...
  • Page 95 Install two new o-rings (6) in grooves of each piston bore. Install pistons (5) in each piston bore. Install new o-rings (8) between caliper halves. Clamp caliper together with caliper fasteners (11) and tighten to 15-19 ft-lbs (20-26 Nm). 2-34 2007 Buell Lightning: Chassis...
  • Page 96 HOME b0976x2x Pin hanger set Brake bleeder Bleeder cap Caliper Piston Piston o-rings Pad spring Small o-ring Caliper mounting fasteners 10. Brake pads 11. Caliper fasteners Figure 2-47. Front Caliper Assembly 2007 Buell Lightning: Chassis 2-35...
  • Page 97: Rear Brake Master Cylinder

    Damaged banjo bolt seating surfaces will leak when reas- Figure 2-49. Rear Master Cylinder On Vehicle sembled. Prevent damage to seating surfaces by carefully Figure 2-49. Remove brake reservoir hose at master removing brake line components. cylinder. Remove seat. See 2.44 SEAT. 2-36 2007 Buell Lightning: Chassis...
  • Page 98 Sleeve cylinder. Brake pedal fastener Brake pedal Remove fastener and washer (3) to detach reservoir 10. Cotter pin (1) from frame if necessary. 11. Rear master cylinder mount screw Figure 2-51. Rear Master Cylinder Assembly 2007 Buell Lightning: Chassis 2-37...
  • Page 99 Circlip must be snapped into the groove of the master cylinder body. If the circlip is not properly installed, improper brake operation could result in death or serious injury. Tuck rubber boot on rod assembly (3) into master cylin- der body (1). 2-38 2007 Buell Lightning: Chassis...
  • Page 100 (3). Tighten to 48-72 in- lbs (5.4-8.1 Nm). Attach hose (3) to rear brake reservoir using clamp. Figure 2-50. Connect brake line switch connector under seat. Install heel guard. See 2.33 FOOTPEG, HEEL GUARD AND MOUNT. 2007 Buell Lightning: Chassis 2-39...
  • Page 101: Rear Brake Line

    Tighten bleeder valve to 36-60 in-lbs (4-7 Nm). Remove rear fender. See 2.35 FENDERS. Figure 2-56. Rear Brake Line Switch/Banjo Bolt Figure 2-56. Remove brake line switch/banjo bolt from rear master cylinder. Discard copper washer. 10. Remove brake line from motorcycle. 2-40 2007 Buell Lightning: Chassis...
  • Page 102 Bleed brakes. See BLEEDING BRAKES 1.6 BRAKE result in death or serious injury. (00289a) SYSTEM MAINTENANCE. 11. Test ride motorcycle and check for proper brake opera- tion. 2007 Buell Lightning: Chassis 2-41...
  • Page 103: Rear Brake Caliper

    PER PISTON REMOVER (1) (Part No. B-42887) with Figure 2-57. Rear Brake Caliper adaptor (2). Figure 2-57. Remove caliper mounting fasteners (6 Remove two o-rings from groove in caliper bore and dis- and 7). card. 2-42 2007 Buell Lightning: Chassis...
  • Page 104 Install a new bleeder valve (metric) if necessary and Replace both pads as a set if the friction material of tighten to 36-60 in-lbs (4-7 Nm). either pad is worn to 0.04 in. (1.0 mm) or less. 2007 Buell Lightning: Chassis 2-43...
  • Page 105 Low visibility of rider can result in death or serious injury. (00316a) NOTE Avoid making hard stops for the first 100 miles (160 km) to allow new brake pads to “wear in” properly with the brake rotor. 2-44 2007 Buell Lightning: Chassis...
  • Page 106: Front Fork

    Remove fork from lower fork clamp (3). Repeat 4 through 6 on opposite side. Screw, pinch fastener Steering stem pinch fastener Triple clamp, upper Triple clamp assembly, lower Screw, pinch fastener Figure 2-62. Upper and Lower Fork Clamp Assembly 2007 Buell Lightning: Chassis 2-45...
  • Page 107 TOOL (1) (Part No. HD-41177) in a vise and install the upper part of the front fork in the holding tool. Remove snap ring (2). Figure 2-66. Removing Fork Cap From Outer Tube Figure 2-66. Remove fork cap from outer tube. 2-46 2007 Buell Lightning: Chassis...
  • Page 108 FORK SPRING COMPRESSING TOOL (HD-45966) assembly. comes with a cup and screw that are for FLT models only and not to be used with Buell. Remove preload washer (4) and slider piston (5). Figure 2-67. Expand fork and remove from FORK When using the FORK SPRING COMPRESSING TOOL SPRING COMPRESSION TOOL.
  • Page 109 24. Oil seal Inner slider piston o-ring 16. Spring joint 25. Oil seal stopper ring Snap ring 17. Spring 26. Dust seal Rebound adjuster assembly 18. Outer tube 27. Slider fork Figure 2-69. Front Fork Assembly 2-48 2007 Buell Lightning: Chassis...
  • Page 110 (9) counter clockwise till it stops. Holding the damper locknut (10), unscrew the rebound adjuster assembly (9) and remove from damper rod assembly (11). Remove damper locknut (10) from damper rod assembly (11). 2007 Buell Lightning: Chassis 2-49...
  • Page 111: Fork Assembly

    Tighten the damper locknut (10) to 22- 30 ft-lbs (30-40 Nm). 11. Replace the sealing washer (13) and center bolt (14) (metric). Tighten the center bolt to 22-30 ft-lbs (30- Repeat for other fork assembly. 40 Nm). 2-50 2007 Buell Lightning: Chassis...
  • Page 112 Thread fork cap (3) into fork tube (18) and tighten to 22-30 ft-lbs (29.8-40.6 Nm). 24. Apply fork oil or light grease to o-rings on preload adjuster and install preload adjuster (3). 25. Install snap ring (2). 2007 Buell Lightning: Chassis 2-51...
  • Page 113 11. Install front wheel. See 2.5 FRONT WHEEL. 12. Install front fender. See 2.35 FENDERS. 13. Check headlamp alignment. See 1.18 HEADLIGHTS. 14. Adjust front forks suspension to rider preferences. See 1.11 SUSPENSION DAMPING ADJUSTMENTS. 2-52 2007 Buell Lightning: Chassis...
  • Page 114: Fork Clamps, Upper And Lower

    FORK. b1136x2x Stem capnut Stem pinch fastener Upper fork clamp pinch fastener (2) Upper fork clamp Head bearing (2) Lower fork clamp with stem Lower fork clamp pinch fastener (4) Figure 2-75. Steering Stem Assembly 2007 Buell Lightning: Chassis 2-53...
  • Page 115 Repeat previous two steps on second fork assembly. Tighten steering stem capnut to 38-42 ft-lbs (52-57 Nm). Install steering stem pinch bolt applying LOCTITE 271 (red) and tightening to 20-22 ft-lbs (27.1-29.8 Nm) for all models. 2-54 2007 Buell Lightning: Chassis...
  • Page 116: Steering Head Bearings

    (upper bearing removed for clarity) NOTE Wheel Bearing Backing Plate (Part No. B-43993-12) Discard steering head bearings and replace with new. Steer- ing head bearings are not reusable. Figure 2-77. Steering Head Bearings Installation Tools 2007 Buell Lightning: Chassis 2-55...
  • Page 117 Install the bearing (4), washer (5) and nut (6) from the STEERING HEAD BEARING RACE INSTALLER (Part No. HD-39302) onto the forcing screw (1). Tighten the nut (6) by hand, until the bearing is started into the bore in the steering head. 2-56 2007 Buell Lightning: Chassis...
  • Page 118 13. Apply LOCTITE 271 to upper triple clamp fasteners and tighten to 23-25 ft-lbs (31.2-33.8 Nm). 14. Install front brake lever housing. See 2.10 FRONT BRAKE MASTER CYLINDER AND HAND LEVER. 15. Install front modules. See 2.29 FRONT MODULES. Figure 2-80. Install Bearings 2007 Buell Lightning: Chassis 2-57...
  • Page 119: Swingarm And Brace

    Remove swingarm brace (11). 11810 Rear inner fender/belt guard Axle Stone guard Pinch bolt fastener Lower belt guard Figure 2-81. Rear Wheel Mounting, Right Side (XB12Ss) Figure 2-83. Belt Guard and Rear Fender Assembly (XB12Ss) 2-58 2007 Buell Lightning: Chassis...
  • Page 120 12. Remove pivot shaft (9) with a special 7/8 in. hex tool Remove drive belt. See 6.6 DRIVE BELT SYSTEM. located in tool kit. Remove rear wheel. See 2.6 REAR WHEEL. Remove rear fenders. See 2.35 FENDERS. 13. Remove swingarm from vehicle. 2007 Buell Lightning: Chassis 2-59...
  • Page 121 Remove stone guard. See 2.36 BELT GUARDS. NOTE Figure 2-84. Remove swingarm bearings (5) only if replacement is required. The complete bearing assembly must be replaced as a unit when replacement is necessary. Do not intermix bearing components. 2-60 2007 Buell Lightning: Chassis...
  • Page 122 Tighten rear axle pinch fastener (12) to 40-45 ft-lbs (54- 61 Nm). Install right side rider footpeg mount. Tighten fasteners to 132-144 in-lbs (15-16.2 Nm). See 2.33 FOOTPEG, HEEL GUARD AND MOUNT. Remove rear wheel support stand. 2007 Buell Lightning: Chassis 2-61...
  • Page 123: Front And Rear Isolator

    Tighten front isolator bolt (6) to 49-51 ft-lbs (66-69 Nm). NOTE Hold wire form while tightening to prevent it from twisting. 2-62 2007 Buell Lightning: Chassis...
  • Page 124: Frame

    Install rear shock. See 2.23 REAR SHOCK ABSORBER. Install tail frame. See 2.40 LEFT TAIL SECTION AND BATTERY PAN. Install exhaust header. See 2.32 EXHAUST SYSTEM. Rotate engine. See 3.3 ENGINE ROTATION FOR SER- VICE. 2007 Buell Lightning: Chassis 2-63...
  • Page 125: Frame Pucks

    Align the corners with the pencil marks and tack the puck to the frame at the corners. From the tacked corners, pivot the puck onto the frame keeping the directional point aligned with the horizontal crease. 2-64 2007 Buell Lightning: Chassis...
  • Page 126: Rear Shock Absorber

    Washers (2) Lower shock mount sleeve Lower shock mount fastener Shock reservoir body Upper shock mount fastener 10. Lower shock mount 11. Shock spring retainer kit 12. Rear shock spring Figure 2-92. Rear Shock Absorber Assembly 2007 Buell Lightning: Chassis 2-65...
  • Page 127 Install seat. See 2.44 SEAT. 10658a Remote reservoir clamp Cable tie securing vent hose Figure 2-93. Rear Shock Absorber and Remove Reservoir Figure 2-94. Rear Shock Absorber Remote Reservoir (XB12Ss shown) Clamp (XB12S shown) and Compression Dial 2-66 2007 Buell Lightning: Chassis...
  • Page 128: Throttle Control

    Attach housings with two fasteners, installing longer fastener on bottom. Tighten to 25-33 in-lbs (3-4 Nm). Adjust cables. See 1.15 THROTTLE CABLE AND IDLE SPEED ADJUSTMENT. Install air cleaner assembly. See 4.44 AIR CLEANER ASSEMBLY. 2007 Buell Lightning: Chassis 2-67...
  • Page 129: Deflectors/Handlebars (Xb9Sx)

    Install deflector fasteners (2) and tighten to 24-36 in-lbs (2.7-4 Nm). b1170x2x Deflectors Pivot shaft jam nut Deflector fasteners (4) Brake pivot shaft Clutch pivot shaft Handlebar end cap Pivot shaft riser Figure 2-97. Deflectors 2-68 2007 Buell Lightning: Chassis...
  • Page 130: Clutch Control/Cable

    Hand lever pinch fastener and nut engine. Clutch hand lever Clutch adjuster Remove cable strap securing clutch cable to voltage reg- Clutch cable adjuster boot ulator wire. Clutch cable ferrule Figure 2-100. Clutch Hand Control Assembly 2007 Buell Lightning: Chassis 2-69...
  • Page 131 Figure 2-102. Clutch Release Mechanism (Typical) 15. See Figure 2-102. Remove the outer ramp and hook (1) from the cable end (3) and coupling (2). Remove cable end from slot in coupling. See 6.3 CLUTCH RELEASE MECHANISM. 2-70 2007 Buell Lightning: Chassis...
  • Page 132: Clutch Cable

    Flange head bolt Chain adjuster screw D.1 HOSE AND WIRE ROUTING in Appendix D. Locknut Shift linkage assembly Route clutch cable through clutch cable wire form and upper triple clamp. Figure 2-104. Installing Shift Linkage 2007 Buell Lightning: Chassis 2-71...
  • Page 133 13. Install new clutch cover gasket. 14. See Figure 2-101. Install clutch inspection cover (2) with three TORX screws with washers. Tighten screws in a crosswise pattern to 84-108 in-lbs (9.5-12.2 Nm). 2-72 2007 Buell Lightning: Chassis...
  • Page 134: Headlight Assembly With Grille (Xb9Sx)

    If this happens simply compress the grille until it fits snugly on the headlight assemblies. 10728 Headlight assemblies Headlight grille Figure 2-106. XB9SX Headlight Grille 2007 Buell Lightning: Chassis 2-73...
  • Page 135: Headlight Assembly And Support Bracket

    Fasteners (2), upper headlight mounting Horn connectors [122] Headlight assembly Horn bracket Fasteners (2), headlight support bracket Horn fastener Headlight support bracket Headlight connector [38] 10. Left and right front modules Figure 2-107. Electrical Connectors Behind Windscreen 2-74 2007 Buell Lightning: Chassis...
  • Page 136 For proper alignment of rubber boots see 7.12 HEADLIGHT. “‘‘ Boot (2) b1147x2x Bulb holder (2) Bulb (2) Headlight housing Wiring harness Position bulb socket (used for HDI only) b1150x2x Figure 2-108. Headlight Assembly 2007 Buell Lightning: Chassis 2-75...
  • Page 137 Fasteners (2), upper headlight mounting Horn connectors [122] Headlight assembly Horn bracket Fasteners (2), headlight support bracket Horn fastener Headlight support bracket Headlight connector [38] 10. Left and right front modules Figure 2-109. Electrical Connectors Behind Windscreen 2-76 2007 Buell Lightning: Chassis...
  • Page 138: Front Modules

    Loosen but do not remove final fas- tener securing the right front module to upper triple clamp. Figure 2-111. Remove the left front module. 10. See Figure 2-110. Remove the final fastener and the right front module. 2007 Buell Lightning: Chassis 2-77...
  • Page 139 Install seat. See 2.44 SEAT. Install headlight assembly and support bracket. 2.28 HEADLIGHT ASSEMBLY AND SUPPORT BRACKET. Install windscreen. See 2.43 WINDSCREEN. 8998 Figure 2-110. Right Front Module Fastener and Brake Line P-Clamp Fastener (Typical) 2-78 2007 Buell Lightning: Chassis...
  • Page 140 HOME b1148x2x b1149x2x Left and right front module Right front module overlaps left front module Right front module Left front module Figure 2-111. Fairing Support Bracket Assembly 2007 Buell Lightning: Chassis 2-79...
  • Page 141: Handlebars

    Place the upper handlebar clamp in position and thread the four screws in place after applying Loctite 271 (Red). Tighten both front screws to 10-12 ft-lbs (14-16 Nm). Then tighten both rear screws (2) 10-12 ft-lbs (14-16 Nm). 2-80 2007 Buell Lightning: Chassis...
  • Page 142 HOME b1258x1x XB9SX XB12S, XB12Scg, XB12Ss Endcap (2) Handlebar Handlebar clamp Clamp fasteners (4) Left hand grip Figure 2-112. Handlebar Assembly 2007 Buell Lightning: Chassis 2-81...
  • Page 143: Mirrors

    Install mirror (1) and while holding in position for rider vision, tighten adjuster to 115-130 in-lbs (13-14.7 Nm). 9990 Mirror Adjuster nut Mount Bracket Figure 2-113. Mirrors and Mounting Hardware (Typical) 2-82 2007 Buell Lightning: Chassis...
  • Page 144: Exhaust System

    Loosen Torca clamp (1) and lower muffler. Remove oxygen sensor. See 4.33 OXYGEN SENSOR. Figure 2-115. Remove exhaust header (2) by removing mounting fasteners (3). Remove exhaust ring (4), retaining ring (5) and port gas- ket (6). 2007 Buell Lightning: Chassis 2-83...
  • Page 145 Front muffler strap Front muffler strap fastener Front muffler mount Front muffler mount fastener Front muffler mount bushings Interactive exhaust cable 10. Rear muffler bracket 11. Rear muffler bracket fasteners (2) Figure 2-114. Muffler Assembly 2-84 2007 Buell Lightning: Chassis...
  • Page 146 Torca muffler clamps have eliminated the need for silicone or graphite tape during assembly. To ensure sealing integrity of muffler clamps and prevent the possibility of leakage, Buell recommends that muffler clamp assemblies be discarded and replaced each time they are removed.
  • Page 147: Footpeg, Heel Guard And Mount

    36-48 in-lbs (4.1-5.4 Nm). Figure 2-116. Position footpeg mount (1). b0934a2x Footpeg mount Spring Footpeg mount fasteners Wear peg Heel guard Footpeg Heel guard fasteners Clip, footpeg Figure 2-116. Rider Footpeg, Mount and Heel Guard Assembly 2-86 2007 Buell Lightning: Chassis...
  • Page 148 Check that footpeg clicks in the up and down position. Remove footpeg mount (3). Heel guard fasteners b0933a2x Heel guard Footpeg mount Spring Ball Detent plate Clip Footpeg 10. Footpeg mount fastener 11. Jam nut Figure 2-117. Passenger Footpeg, Mount and Heel Guard Assembly 2007 Buell Lightning: Chassis 2-87...
  • Page 149: Sprocket Cover

    36 in-lbs (1-4 Nm). Install chin fairing. See 2.37 CHIN FAIRING. Figure 2-118. Chin Fairing Assembly, Right Rear Fasteners b1187x2x Long fastener and washer Sprocket cover Short fastener and washer (2) Figure 2-119. Sprocket Cover 2-88 2007 Buell Lightning: Chassis...
  • Page 150: Fenders

    Front fender Front fender fastener (4) Rear fender (XB9SX, XB12S, XB12Scg) Rear fender fastener (2) Rear fender (XB12Ss) XB12Ss rear fender fastener (5) Figure 2-120. Front and Rear Fender 2007 Buell Lightning: Chassis 2-89...
  • Page 151: Belt Guards

    Fasteners, stone guard Upper belt guard and stone guard fasteners (2) Stone guard Lower belt guard Sprocket cover Lower belt guard fasteners (2) Sprocket cover fasteners (2 short, 1 long) Figure 2-121. Belt Guard Assembly 2-90 2007 Buell Lightning: Chassis...
  • Page 152: Chin Fairing

    Turn wheel full right or left for easier access to center fasten- ers. Align left section (3) and loosely install left side fasteners and washers (4). Apply LOCTITE 271 (red) and tighten all fasteners to 36- 48 in-lbs (4-5 Nm). 2007 Buell Lightning: Chassis 2-91...
  • Page 153: Intake Cover Assembly

    X-Guard (XB9SX only) Front intake cover fasteners with top hat bushings Intake cover assembly (2) and isolating washers (4), Rear intake cover fasteners with nylon washers (2) Figure 2-123. Translucent Intake Cover Assembly 2-92 2007 Buell Lightning: Chassis...
  • Page 154: Air Scoops

    Oil cooler air scoop fastener and washer (2) Ram air scoop Oil cooler air scoop Engine scoop fastener and washer (3) Ram air scoop fastener and washer Engine scoop Figure 2-124. RAM Air Scoop, Engine Shroud, Oil Cooler 2007 Buell Lightning: Chassis 2-93...
  • Page 155: Left Tail Section And Battery Pan

    The cast aluminum tail section has a powder coat. Because the surface is not bare polished aluminum, it must be cleaned using only mild soap and warm water. After washing, always dry the surface using a clean, soft cloth. 2-94 2007 Buell Lightning: Chassis...
  • Page 156 14. Left and right front trunk pan fasteners (2) ECM connectors [10] & [11] 15. Left rear and right rear tail section fasteners (4) Fuse block and relay center Figure 2-125. Main Harness and Electrical Connectors Under Seat (Typical) 2007 Buell Lightning: Chassis 2-95...
  • Page 157 After installing seat, pull upward on front of seat to be sure it is in locked position. While riding, a loose seat can shift causing loss of control, which could result in death or serious injury. (00070a) 13. Install seat. See 2.44 SEAT. 2-96 2007 Buell Lightning: Chassis...
  • Page 158 10. Seat latch assembly 11. Trunk pan assembly 12. Rear trunk pan fastener to center tail section (2) 13. Rear shock reservoir bracket 14. Plastic lugs (for manufacturing purposes only) Figure 2-126. Tail Frame and Trunk Pan Assembly 2007 Buell Lightning: Chassis 2-97...
  • Page 159: Center Tail Section

    After installing seat, pull upward on front of seat to be sure it is in locked position. While riding, a loose seat can shift causing loss of control, which could result in death or serious injury. (00070a) Install seat. See 2.44 SEAT. 2-98 2007 Buell Lightning: Chassis...
  • Page 160: Right Tail Section

    After installing seat, pull upward on front of seat to be sure it is in locked position. While riding, a loose seat can shift causing loss of control, which could result in death or serious injury. (00070a) Install seat. See 2.44 SEAT. 2007 Buell Lightning: Chassis 2-99...
  • Page 161 Passenger footrest support fastener with jam nut Ground terminals [GRD1] & [GRD 3] Rear brake light switch connector [121] Right tail section Center tail section fastener to rear tail section Figure 2-127. Right Side Frame Section (Typical) 2-100 2007 Buell Lightning: Chassis...
  • Page 162: Windscreen

    Install four fasteners (3) and tighten to 10-12 in-lbs (1.1- Figure 2-128. Remove four windscreen fasteners 1.4 Nm). and washers (3). Remove windscreen (4). b1153x2x Headlight mounting bracket Left front module Windscreen fastener and washer (4) Windscreen Right front module Figure 2-128. Front Windscreen 2007 Buell Lightning: Chassis 2-101...
  • Page 163: Seat

    10049 Seat Opening in trunk pan for locating tab Rear seat tab Shouldered fasteners for seat hooks Seat hooks Slot in seat latch Locating tab Seat latch Figure 2-129. Seat and Attachment (Inset XB12Ss seat) 2-102 2007 Buell Lightning: Chassis...
  • Page 164: Seat Lock

    After installing seat, pull upward on front of seat to be sure it is in locked position. While riding, a loose seat can shift causing loss of control, which could result in death or serious injury. (00070a) Install seat. See 2.44 SEAT. 2007 Buell Lightning: Chassis 2-103...
  • Page 165 HOME b1152x2x Seat lock Plate Retainer Cable end Cable Latch screw Retainer Cable end Latch 10. Latch bracket 11. Trunk pan Figure 2-130. Seat Lock Assembly 2-104 2007 Buell Lightning: Chassis...
  • Page 166: Sidestand

    Retract sidestand leg (5). Remove sidestand spring (2) and spring extension plate (4) using SNAP-ON SPRING TOOL (Part No. HE-52B). Remove sidestand pivot pin circlip (7) and remove sidestand pivot pin (3). Extend sidestand leg (1) and remove. 2007 Buell Lightning: Chassis 2-105...
  • Page 167 Install muffler. See Muffler and Straps 2.32 EXHAUST SYSTEM. Install chin fairing fasteners. See 2.37 CHIN FAIRING. Extend and retract sidestand leg to check for proper operation. Figure 2-134. Lubricating Points (Shaded Areas) 2-106 2007 Buell Lightning: Chassis...
  • Page 168 ENGINE Table Of Contents SUBJECT PAGE NO. 3.1 Specifications ..........3.2 Engine .
  • Page 170: Specifications

    59.1 mm 2.325. (min) 59.1 mm (min) Intake 1.850 in. (closed) 135 lbs 61.2 kg 1.300 in. (open) 312 lbs 141.5 kg Exhaust 1.850 in. (closed) 135 lbs 61.2 kg 1.300 in. (open) 312 lbs 141.5 kg 2007 Buell Lightning: Engine...
  • Page 171 Side play between flywheels 0.005-0.031 in. 0.1-0.8 mm 0.036 in. 0.9 mm Fit on crankpin (loose) 0.0004-0.0017 in. 0.0102-0.0432 mm 0.0027 in. 0.0686 mm Connecting rod race ID 1.6245-1.6250 in. 41.2623-41.2750 mm 1.6270 in. 41.3258 mm 2007 Buell Lightning: Engine...
  • Page 172 Bearing outer race fit in crankcase 0.006 in. 0.2 mm (tight) Interference fit Bearing inner race fit on shaft 0.006 in. 0.2 mm (tight) Interference fit Flywheel endplay in crankcase .003-.010 in. 0.08-0.25 mm .010 in. 0.25 mm 2007 Buell Lightning: Engine...
  • Page 173 LOCTITE 243, page 3-86 Oil line clamp at starter motor 40-50 in-lbs 5-5.5 Nm page 3-35 Oil line fittings at swingarm 108-156 in-lbs 12-17.6 Nm page 3-74 Oil line p-clamp fastener 48-72 in-lbs 5.4-8 Nm page 3-35 2007 Buell Lightning: Engine...
  • Page 174 3-30 bolt Swingarm pivot shaft 24-26 ft-lbs 32.5-35.2 Nm page 3-30 V bracket to main frame 120-144 in-lbs 13.6-16.3 Nm page 3-14, 3-32 Vent oil line at gearcase cover 12-13 ft-lbs 16.3-17.6 Nm page 3-35 2007 Buell Lightning: Engine...
  • Page 175: Engine

    “oxygenate” the gas. Your sion, it indicates the piston rings need replacing. Low motorcycle will run normally using this type of gas. Buell compression by itself, however, may indicate improperly recommends you use it when possible, as an aid to seated valves, in addition to or in lieu of worn piston rings.
  • Page 176: Diagnosing Smoking Engine Or High Oil Consumption

    Use a CYLINDER LEAKDOWN TESTER (Part No. HD- 35667A) and follow the specific instructions supplied with the tester. The following are some general instructions that apply to Buell motorcycle engines: Run engine until it reaches normal operating tempera- ture. 2007 Buell Lightning: Engine...
  • Page 177: Engine Rotation For Service

    This step is always performed in order to purge fuel lines. 10646a Fuel line connection Connection for throttle position sensor [88] Connections for fuel injectors [84 & 85] Figure 3-1. Fuel Line and DDFI Electrical Connections (Typical) 2007 Buell Lightning: Engine...
  • Page 178 Figure 3-2. Electrical Connections and Throttle Cables (Typical) 10. See Figure 3-2. Disconnect the ignition coil connector (2) [83] and remove ignition coil (1). 11. Disconnect the following sensors: Temperature sensor (3) [90]. Oxygen sensor (4) [137]. 2007 Buell Lightning: Engine...
  • Page 179 14. See Figure 3-3. Remove muffler: see 2.32 EXHAUST 2.39 AIR SCOOPS. SYSTEM. 13. Remove idler pulley. See 6.6 DRIVE BELT SYSTEM. NOTE 7.6 INTERACTIVE EXHAUST SYSTEM for specific details on removal of interactive components. 3-10 2007 Buell Lightning: Engine...
  • Page 180 Slide clutch cable adjuster boot (2) up to access clutch adjuster. Loosen clutch adjuster to release tension from hand lever. Remove clutch cable ferrule from hand lever. Wire form Clutch cable adjuster boot Figure 3-4. Clutch Cable Wire Form and Adjuster Boot 2007 Buell Lightning: Engine 3-11...
  • Page 181 Nut for one fastener for front tie bar assembly 20. Bolt 10. Center tie bar mount 21. Rear tie bar assembly 11. Fasteners for center tie bar mount (2) 22. Fasteners for rear tie bar assembly (2) Figure 3-5. Engine Mounting System 3-12 2007 Buell Lightning: Engine...
  • Page 182 Figure 3-7. Front Isolator and Tie Bar Assemblies 21. Loosen rear isolator bolt (1). DO NOT REMOVE. 22. See Figure 3-7. Remove front isolator bolt (1). 23. Remove front isolator mount (2) from engine. 24. Rotate engine down. 2007 Buell Lightning: Engine 3-13...
  • Page 183 120-144 in-lbs (13.6-16.3 Nm). Figure 3-8. Install front tie-bar (4) to “V” bracket and tighten to 25-27 ft-lbs (33.9-36.6 Nm). Attach regulator wiring harness to bracket nylon cable straps. Remove scissors jack. 3-14 2007 Buell Lightning: Engine...
  • Page 184 See CLUTCH. Install wire form and tighten fastener to 84-92 in-lbs (9.5-10.4 Nm). Figure 3-9. Clutch Cable Wire form 10501a Figure 3-10. Oil Cooler Feed and Return Oil Line 1/8-1/4 in. (3.175-6.35 mm) Clearance 2007 Buell Lightning: Engine 3-15...
  • Page 185 11. Connect the following sensors: Temperature sensor (3) [90]. Oxygen sensor (4) [137]. 12. See Figure 3-11. Install the ignition coil (1) and connect (2) [83] and tighten fasteners to 120-144 in-lbs (13.6- 16.3 Nm). 3-16 2007 Buell Lightning: Engine...
  • Page 186 22. Install sprocket cover. See 2.34 SPROCKET COVER. 23. Install chin fairing. See 2.37 CHIN FAIRING. 24. Install air scoops, right and left sides. See 2.39 AIR SCOOPS. 25. Connect fuel pump. See4.39 FUEL PUMP. 2007 Buell Lightning: Engine 3-17...
  • Page 187: Stripping Motorcycle For Engine Service

    Drain oil tank. See 1.5 ENGINE LUBRICATION SYS- TEM. 10646a Fuel line connection Connection for throttle position sensor [88] Connections for fuel injectors [84 & 85] Figure 3-13. Fuel Line and DDFI Electrical Connections (Typical) 3-18 2007 Buell Lightning: Engine...
  • Page 188 Figure 3-14. Disconnect the ignition coil connector (2) [83] and remove the ignition coil (1). 10. Disconnect the following sensors: Temperature sensor (3) [90]. Oxygen sensor (4) [137]. 11. Disconnect throttle cables from induction module/throttle body. 2007 Buell Lightning: Engine 3-19...
  • Page 189 13. Remove complete chin fairing. See 2.37 CHIN FAIRING. 14. Remove rear belt and idler pulley. See 6.6 DRIVE BELT 16. See Figure 3-15. Remove muffler: 2.32 EXHAUST SYS- SYSTEM. TEM. 15. Remove transmission sprocket. See 6.16 TRANSMIS- SION SPROCKET. 3-20 2007 Buell Lightning: Engine...
  • Page 190 Remove oil filter (8). NOTE Remove the right side rider footrest and support plate, and 18. Remove left and right side rider footrests and support secure towards rear of vehicle. plates. See 2.33 FOOTPEG, HEEL GUARD AND MOUNT. 2007 Buell Lightning: Engine 3-21...
  • Page 191 Nut for one fastener for front tie bar assembly 20. Bolt 10. Center tie bar mount 21. Rear tie bar assembly 11. Fasteners for center tie bar mount (2) 22. Fasteners for rear tie bar assembly (2) Figure 3-17. Engine Mounting System 3-22 2007 Buell Lightning: Engine...
  • Page 192 (1) [77]. Disconnect oil cooler lines at oil cooler. Remove front tie-bar (7) from “V” bracket. Remove front tie-bar (7) from engine. Unbolt “V” bracket from main frame and remove “V” bracket. 2007 Buell Lightning: Engine 3-23...
  • Page 193 Disconnect oil return line (4) at oil pump (14) and remove. 10502 28. Remove front and rear muffler brackets. Wire form retainer Clutch cable adjuster boot Lower retaining clamp Figure 3-20. Clutch Cable Wire Form Retainer, Retaining Clamp and Adjuster Boot 3-24 2007 Buell Lightning: Engine...
  • Page 194 Figure 2-21. Remove two fasteners (2) and remove sidestand assembly. 31. Support engine with wide scissors jack. b0946g2x Spring Pivot pin Extension plate Bracket Bracket fastener (2) Pivot pin circlip Figure 2-21. Sidestand Assembly (Extended) 2007 Buell Lightning: Engine 3-25...
  • Page 195 36. Lower engine with scissors lift all the way down. 37. Move the engine assembly from under the main frame to the right side of the lift. 38. Remove engine. Figure 3-23. Supporting the Swingarm (Typical) 3-26 2007 Buell Lightning: Engine...
  • Page 196 Right Side exhaust mount. Timer cover. Figure 3-28. Front Exhaust Mount Bushings (2 piece) Figure 3-29. Wire guard located under the sprocket cover. 12367 8724 12369a 8729 Figure 3-27. Removing Threaded Insert Figure 3-29. Wire Guard 2007 Buell Lightning: Engine 3-27...
  • Page 197 42. Route a ratcheting tie down through the swingarm bear- ings, up over the main frame, through the top stabilizer area, back down to the ratchet mechanism and secure swingarm to main frame. 3-28 2007 Buell Lightning: Engine...
  • Page 198: Engine Installation

    Remove pivot shaft after installing the Right Side threaded insert. Figure 3-35. Apply LOCTITE 242 (blue) and install swingarm pivot shaft pinch bolt threaded insert. Figure 3-36. Front Exhaust Mount Bushings (2 piece) 2007 Buell Lightning: Engine 3-29...
  • Page 199 Using the overhead hoist to align the frame to the rear isolator, install rear isolator bolt and Apply LOCTITE 271 (red) and tighten swingarm pivot leave loose at this time. shaft pinch bolt to 17-19 ft-lbs (23-25.8 Nm). 3-30 2007 Buell Lightning: Engine...
  • Page 200 Nut for one fastener for front tie bar assembly 20. Bolt 10. Center tie bar mount 21. Rear tie bar assembly 11. Fasteners for center tie bar mount (2) 22. Fasteners for rear tie bar assembly (2) Figure 3-42. Engine Mounting System 2007 Buell Lightning: Engine 3-31...
  • Page 201 27 ft-lbs (33.9-36.6 Nm). Attach remote idle adjustment cable “V” to bracket using nylon cable straps. Attach regulator wiring harness to clutch cable below clutch cable lower retaining clamp using a nylon cable strap. 18. Remove scissors jack. 3-32 2007 Buell Lightning: Engine...
  • Page 202 fitting with a wrench to maintain proper orientation NOTES and prevent damage to the oil line fitting. DO NOT install muffler at this time. It is necessary to install muffler mounts first in order to properly install feed oil line. 2007 Buell Lightning: Engine 3-33...
  • Page 203 Leave all oil line fittings loose at the engine at this time. See 3.10 OIL LINE FITTINGS. NOTE The feed oil line (3) is routed through the right side of the rear muffler bracket (10). 3-34 2007 Buell Lightning: Engine...
  • Page 204 24. Install oil line clamp (13) attaching vent oil line (2) to 13 ft-lbs (16.3-17.6 Nm). return oil line (4) in front of starter motor and tighten to 40-50 in-lbs (5-5.5 Nm). 28. Install the vent oil line protective cover. 2007 Buell Lightning: Engine 3-35...
  • Page 205 1/4 (3.175-6.35 mm) clearance specified between the line fitting with a wrench to maintain proper orientation feed oil line and the clutch cable at the front of the crank- and prevent damage to the oil line fitting. case. 3-36 2007 Buell Lightning: Engine...
  • Page 206 (1-4 Nm). b1031x3x Oil cooler feed line should be centered after line is torqued. Orientation of return line should be approximately 6 o’clock Figure 3-49. Oil Cooler Feed and Return Oil Lines Location and Orientation 2007 Buell Lightning: Engine 3-37...
  • Page 207 7.26 SPROCKET COVER WIRING before connect- ing the following electrical components: Neutral switch [131]. Speedometer sensor [65] Cam position sensor [14]. Alternator [46]. Voltage regulator [77]. Positive battery cable at starter. Starter solenoid [128]. Oil pressure switch [120]. 3-38 2007 Buell Lightning: Engine...
  • Page 208 See 1.8 CLUTCH Install wire form retainer and tighten fastener to 84- 92 in-lbs (9.5-10.4 Nm). 35. Install sidestand assembly. See 2.46 SIDESTAND. Figure 3-51. Correct Routing of Wiring Harnesses and Interactive Muffler Cable 2007 Buell Lightning: Engine 3-39...
  • Page 209 11. Flat washer, rear muffler bracket (2) Flat washer, front muffler mount (1) 12. Rear muffler strap fastener Nut, front muffler mount (1) 13. Muffler strap, rear (2) Front muffler strap fastener 14. Muffler Figure 3-53. Muffler and Mounting System 3-40 2007 Buell Lightning: Engine...
  • Page 210 [83s]. Tighten ignition coil fasteners to 120-144 in-lbs (13.6-16.3 Nm). 10647a Ignition coil Coil connection [83] Cylinder head temperature sensor connection [90] Oxygen sensor connection [137] Throttle cables Figure 3-54. Electrical Connections and Throttle Cables (Typical) 2007 Buell Lightning: Engine 3-41...
  • Page 211 (00070a) 48. Install rear belt and idler pulley. See 6.6 DRIVE BELT SYSTEM. 54. Install seat. See 2.44 SEAT. 3-42 2007 Buell Lightning: Engine...
  • Page 212: Cylinder Head

    20. Gasket (push rod cover) 21. Push rod cover 22. Screw (4) 23. O-ring (push rod cover - 2) 24. Push rod 25. Washer (4) 26. Bolt (4) b1266x3x Figure 3-56. Rocker Arm and Push Rod Cover Assemblies 2007 Buell Lightning: Engine 3-43...
  • Page 213 Remove rocker arms; mark them for reassembly in their original locations. 10. Mark the location and orientation (top/bottom) of each push rod. Remove push rods. Figure 3-58. Removing Rocker Arm Shafts 3-44 2007 Buell Lightning: Engine...
  • Page 214 No special tools are required to remove valve stem seal and lower collar assembly. Repeat the above procedure for the other valves. Figure 3-59. Head Screw Loosening/Tightening Sequence 8684 Figure 3-60. Valve Spring Compressor (Part No. HD-34736B) 2007 Buell Lightning: Engine 3-45...
  • Page 215 11. Cylinder O-ring (2) 12. Cylinder insert 13. Cylinder w/piston & rings 14. Cylinder base gasket 15. Cylinder base stud 16. Exhaust valve 17. Exhaust valve seat Figure 3-61. Cylinder Head, Cylinder and Piston Assembly 3-46 2007 Buell Lightning: Engine...
  • Page 216 Never use a file or SERVICE WEAR LIMIT of 0.006 in. (0.152 mm). other hardened tool which could scratch or nick valve. Polish valve stem with very fine emery cloth or steel wool. 2007 Buell Lightning: Engine 3-47...
  • Page 217 Figure 3-64. Measure where rocker arm bush- Check end play of rocker arm with feeler gauge. ings ride. Replace rocker arm or lower cover or both if end play exceeds 0.025 in. (0.635 mm). 3-48 2007 Buell Lightning: Engine...
  • Page 218: Valve Guides

    If the seat is loose or is not fully seated in the head, then seat movement will prevent the proper transfer of heat from the valve. The seat surface must be flush with (or below) the head surface. See 3.1 SPECIFICATIONS for valve seat-to-cylinder head fit. 2007 Buell Lightning: Engine 3-49...
  • Page 219 Using remaining old bushing as a pilot, line ream new bushing with ROCKER ARM BUSHING REAMER (Part No. HD-94804-57). Repeat for other end of rocker arm. 8733 8734 Figure 3-69. Replacing Rocker Arm Bushings 3-50 2007 Buell Lightning: Engine...
  • Page 220 Figure 3-71. Thoroughly clean valve guide bores using VALVE GUIDE BRUSH (Part No. HD-34751) and hot soapy water. Valve guide brush (Part No. HD-34751) Cylinder head holding fixture (Part No. HD-39786) Figure 3-71. Cleaning Valve Guides 2007 Buell Lightning: Engine 3-51...
  • Page 221 Clamp tool in vise and further tighten cylinder head onto the fixture to prevent any movement during operation. Place cylinder head at a 45° angle or one that offers a comfortable working position. 3-52 2007 Buell Lightning: Engine...
  • Page 222 0.062 in. (1.575 mm), pro- ceed to the next step. b0972x3x Intake & Exhaust Valve and Seat 60˚ Min. 0.040 in. (1.016 mm) Max. 0.062 in. (1.575 mm) Margin 31˚ 46˚ Figure 3-73. Valve and Seat Dimensions 2007 Buell Lightning: Engine 3-53...
  • Page 223 11. Cylinder O-ring (2) 12. Cylinder insert 13. Cylinder w/piston & rings 14. Cylinder base gasket 15. Cylinder base stud 16. Exhaust valve 17. Exhaust valve seat Figure 3-74. Cylinder Head, Cylinder and Piston Assembly 3-54 2007 Buell Lightning: Engine...
  • Page 224 Failure to use a protective sleeve on the valve stem keeper groove when installing the valve stem seal and collar assem- bly will result in damage to the seal causing leakage around the valve stem, excessive oil consumption and valve sticking. 2007 Buell Lightning: Engine 3-55...
  • Page 225 10. Insert valve keepers into upper collar, making sure they engage grooves in valve stem. 11. Release and remove from VALVE SPRING COMPRES- SOR. 12. Repeat Steps 4-11 for the remaining valve. 3-56 2007 Buell Lightning: Engine...
  • Page 226 1 Band-Orange 17909-02 (272.948 mm) NOTE After head(s) have been installed do not turn engine over until both push rods can be turned with fingers. Otherwise, dam- age to push rods or rocker arms may result. 2007 Buell Lightning: Engine 3-57...
  • Page 227: Cylinder Head Installation

    Tighten each screw to 13-15 ft-lbs (18-20 Nm). Figure 3-82. Tightening Head Screws Figure 3-82. Mark cylinder head and head screw shoulder with a line as shown (View A). ° ° Turn all screws an additional 85 -95 . 3-58 2007 Buell Lightning: Engine...
  • Page 228 When installing a particular rocker box it will be necessary to turn the engine over until both lifters are on the base circle (the lowest position) of the cams for that rocker box to be installed. 2007 Buell Lightning: Engine 3-59...
  • Page 229 Place a new inner gaskets on lower rocker box assemblies. Place a new lower gaskets on lower rocker cover. Install upper rocker cover using screws with washers and new fiber seals. Tighten screws to 120-168 in- lbs (13.6-18.9 Nm). 3-60 2007 Buell Lightning: Engine...
  • Page 230: Cylinder And Piston

    Ring set stalled resulting in engine damage. Piston Piston pin Retaining ring (2) Dowel and o-ring Cylinder Base gasket Cylinder stud (4) Connecting rod 10. Piston pin bushing Figure 3-85. Cylinder and Piston 2007 Buell Lightning: Engine 3-61...
  • Page 231 Figure 3-88. Removing Piston Rings Remove circlip from claw and discard. Figure 3-88. To remove piston rings spread outward until they clear grooves in piston and lift off. 3-62 2007 Buell Lightning: Engine...
  • Page 232 Lay a straightedge across the surface. Try to insert a feeler gauge between the straight- edge and the gasket surface. If cylinder base gasket surface is not flat within 0.008 in. (0.203 mm), replace cylinder and piston. 2007 Buell Lightning: Engine 3-63...
  • Page 233: Deglazing Cylinder

    If cylinder clearance exceeds service wear limit, cylinders and remains white. The cylinder is now clean. pistons should be replaced with new components. See SPECIFICATIONS. With the cylinder at room temperature, check the cylinder clearance. See SPECIFICATIONS. 3-64 2007 Buell Lightning: Engine...
  • Page 234 If re-using pis- ton, replace piston rings and hone the cylinder walls with a No. 240 grit flexible hone to facilitate ring seating. Piston ring sets must be properly fitted to piston and cyl- inder. 2007 Buell Lightning: Engine 3-65...
  • Page 235 Figure 3-94. Ring End Gap Position Figure 3-94. Install rings so end gaps of adjacent rings are a minimum of 90° apart. Ring gaps are not to be within 10° of the thrust face centerline. 3-66 2007 Buell Lightning: Engine...
  • Page 236 Hone bushing to final size using WRIST PIN BUSHING HONE (Part No. HD-35102). Use a liberal amount of honing oil to prevent damage to hone or bushing. Use care to prevent foreign material from falling into the crankcase. 2007 Buell Lightning: Engine 3-67...
  • Page 237 Make sure the ring groove is clean. Ring must be fully seated pointing towards the front of the engine. in the groove with the gap away from the slot at the bottom. Install piston pin. 3-68 2007 Buell Lightning: Engine...
  • Page 238 PISTON SUPPORT PLATE (Part No. HD-42322). Lubricate cylinder wall, piston, pin and rod bushing with engine oil. Remove protective sleeves from cylinder studs. Install a new cylinder base gasket. Make sure the piston does not bump the studs or crankcase. 2007 Buell Lightning: Engine 3-69...
  • Page 239 HOME NOTES 3-70 2007 Buell Lightning: Engine...
  • Page 240: Lubrication System

    2500 mile (4000 km) intervals. Refill with fresh oil. Always change oil filter when changing engine oil. NOTE 1.5 ENGINE LUBRICATION SYSTEM for more informa- tion on checking oil level and changing oil and filter. 2007 Buell Lightning: Engine 3-71...
  • Page 241: Oil Hose Routing And Oil Reservoir

    Feed oil line from oil pump to oil cooler 12. P-clamp Feed oil line from oil cooler to crankcase 13. Oil line clamp Oil tank drain plug 14. Oil pump Figure 3-106. Oil Lines and Connections 3-72 2007 Buell Lightning: Engine...
  • Page 242: Oil Line Fittings

    Repeat to remove the remaining oil lines. Remove oil line fittings and plug the holes until they can Figure 3-107. Oil Line Remover (B-41623-B) be replaced. 10369 Figure 3-108. Oil Line Fitting with Spring Clip 2007 Buell Lightning: Engine 3-73...
  • Page 243 fitting and the spring clip is seated in the oil line fitting groove. Check oil level and add oil if required. After running engine, Inspect oil fittings for oil leaks. Check oil level and add oil if required. Figure 3-109. Flanged Oil Line 3-74 2007 Buell Lightning: Engine...
  • Page 244: Oil Cooler

    Oil cooler feed line Screws with washers (2) Oil cooler return line Stabilizer bracket Clamp, oil line Screw with washer (1) Screw with nut Oil cooler scoop Oil cooler 10. Screws with washers (2) Figure 3-110. Oil Cooler 2007 Buell Lightning: Engine 3-75...
  • Page 245 Verify that the clutch cable and feed NOTE line have a clearance of 1/8-1/4 in. (3.175-6.35 mm) The oil cooler should be checked for dirt and debris. between them. Install oil line clamp and tighten. 3-76 2007 Buell Lightning: Engine...
  • Page 246 5.Feed oil line to oil cooler 2.1/8-1/4 in. (3.175-6.35 mm) clearance 6.Return oil line from oil cooler 3.Feed oil line Figure 3-111. Oil Cooler Feed Oil Line Orientation (Approximately 2 O’Clock) and Oil LIne Clearances 2007 Buell Lightning: Engine 3-77...
  • Page 247: Oil Pressure Indicator Switch

    Dead battery (see NOTE). ating engine). Figure 3-113. Install OIL PRESSURE GAUGE ADAPTER (Part No. HD-96925-58) (2) in oil pressure indicator lamp switch mounting hole. Tighten adapter snugly. DO NOT OVERTIGHTEN. 3-78 2007 Buell Lightning: Engine...
  • Page 248 10. Check oil level in oil tank. See 1.5 ENGINE LUBRICA- TION SYSTEM. Top off oil level if necessary. 11. Start engine and test oil pressure switch for proper oper- ation. Check oil pressure switch for leaks. 2007 Buell Lightning: Engine 3-79...
  • Page 249: Crankcase Breathing System

    PCV valves (2) Grommet The oil mist collects and eventually returns to the crankcase Rocker cover (2) through oil passageways in the cylinder head. Figure 3-115. Crankcase Breathing System 3-80 2007 Buell Lightning: Engine...
  • Page 250 Remove the fastener (1), the reed valve stop (2) and the reed valve (3). b1033x3x Reed valve stop Reed valve Reed block Figure 3-116. Reed Valve Assembly 8759 8794 Reed valve stop Reed valve Stop screw Figure 3-117. Reed Valve Stop and Reed Valve 2007 Buell Lightning: Engine 3-81...
  • Page 251: Oiling System

    The return gears pump oil back to the oil reservoir. travels to the right flywheel where it is routed through the flywheel to the crankpin. Oil is forced through the crank- pin to properly lubricate the rod bearing assembly. 3-82 2007 Buell Lightning: Engine...
  • Page 252: Oil Pump

    Thrust washer Retaining ring Gerotor return set Separator plate 10. Gerotor feed set 11. Cover º 12. 45 Fitting 13. Sems screw (2) 14. TORX screw (2) 15. Rear connector fitting Figure 3-118. Oil Pump 2007 Buell Lightning: Engine 3-83...
  • Page 253 6) on both sides of the oil pump. 11973 Feed line connection Cover TORX screw (2) Return line Oil pump Mounting screw and washer (2) Feed connection to oil cooler Convolute covering (for return oil line only) Figure 3-119. Oil Pump Hardware 3-84 2007 Buell Lightning: Engine...
  • Page 254 fitting. 1.5 ENGINE LUBRICATION SYSTEM. Liberally coat all moving parts with clean engine oil to ensure easy assembly and smooth operation at start-up. 15. Install chin fairing. See 2.37 CHIN FAIRING. 2007 Buell Lightning: Engine 3-85...
  • Page 255: Oil Filter Mount

    filter mount. Do not apply LOCTITE to adapter Cable strap to secure indicator lamp wire threads on filter element side. Oil filter mount (part of right crankcase half) Spring Check ball Filter adapter Figure 3-122. Oil Filter Mount Assembly 3-86 2007 Buell Lightning: Engine...
  • Page 256: Hydraulic Lifters

    Figure 3-123. Lifter Assembly (Typical) End clearance should be within 0.008-0.022 in. (0.203-0.559 mm). Replace lifters if clearance exceeds SERVICE WEAR LIMIT of 0.026 in. (0.660 mm). Soak lifters in clean engine oil. Keep covered until assembly. 2007 Buell Lightning: Engine 3-87...
  • Page 257 30-40 in-lbs (3-5 Nm). Place new o-rings (2) on top of push rod cover (3). Install push rods, cylinder head, lower and upper rocker covers. See 3.6 CYLINDER HEAD. Repeat process for remaining cylinder head. 3-88 2007 Buell Lightning: Engine...
  • Page 258: Gearcase Cover And Cam Gears

    Gear cover gasket 13. Oil pump drive gear Bushing, outer, intake camshaft gear 14. Pinion gear “E” Cam gear set 15. Nut Right crankcase half 16. bushing, gear shaft- pinion Figure 3-126. Gearcase Cover and Cam Assembly 2007 Buell Lightning: Engine 3-89...
  • Page 259 8662a Front exhaust cam gear Front intake cam gear Rear intake cam gear Rear exhaust cam gear Pinion gear Pinion nut Timing V mark Figure 3-127. Cam and Pinion Gear Location and Timing Mark Indexing 3-90 2007 Buell Lightning: Engine...
  • Page 260 Table 3-25. Cam Identification Stamp Location/Function Front Exhaust Front Intake Rear Intake Rear Exhaust NOTE Prior to changing any cam gears, check gear shaft fit within corresponding bushings. Worn bushings can cause excessive backlash. 2007 Buell Lightning: Engine 3-91...
  • Page 261 Figure 3-126. Install a new seal and new dry gear cover gasket on crankcase. Figure 3-130. Crankshaft Locking Tool (Part No. HD-43984) 3-92 2007 Buell Lightning: Engine...
  • Page 262 Install cam position sensor and rotor in gearcase cover. 4.31 CAM POSITION SENSOR AND ROTOR sec- tion. 10. Install any components removed to gain access to gear- case (i.e. exhaust system components, air cleaner, etc.). Figure 3-132. Checking Cam Gear End Play 2007 Buell Lightning: Engine 3-93...
  • Page 263: Crankcase

    Remove oil pump. See 3.15 OIL PUMP. Remove gearcase components. See 3.18 GEARCASE COVER AND CAM GEARS. Remove primary cover and primary drive/clutch compo- nents. See 6.2 PRIMARY COVER. Remove starter motor. See 5.7 STARTER. 3-94 2007 Buell Lightning: Engine...
  • Page 264 Thread a second nut onto stud until it contacts the first nut. Tighten nuts against each other. Placing wrench on first (lower) nut installed, unscrew stud from cylinder deck. Figure 3-135. Piston Oil Jet Assemblies Loosen nuts and remove from cylinder base stud. 2007 Buell Lightning: Engine 3-95...
  • Page 265 11. Inner race Thrust washer 12. Gear shaft bearing Crankcase half 13. Retaining ring Bearing 14. Outer bearing race Bearing retaining ring 15. Crankshaft case Inner race, sprocket shaft bearing Figure 3-137. Crankcase and Flywheel Assembly 3-96 2007 Buell Lightning: Engine...
  • Page 266 Figure 3-139. Sprocket Shaft Seal Retaining Ring Figure 3-139. Remove sprocket shaft oil seal retain- ing ring. Figure 3-137. Remove sprocket shaft oil seal (3) from crankcase using Snap-On Tool (Part No. CJ 114, Body Dent Puller) 2007 Buell Lightning: Engine 3-97...
  • Page 267 (ID) of the outer race (crankcase bushing). A running clear- ance of 0.0002-0.0008 in. (0.0051-0.0203 mm) is established during crankcase set or flywheel assembly replacement and engine rebuild. 3-98 2007 Buell Lightning: Engine...
  • Page 268 That is, a replacement crankcase set may have a class 1, 2 or 3 pinion bearing outer race. Replacement flywheel assemblies will have either a class A or B inner race. 2007 Buell Lightning: Engine 3-99...
  • Page 269 1.2502 1.2504 1.2508 1.2510 1.2512 1.2514 1.2516 1.2518 31.740 31.745 31.750 31.755 31.760- 31.765 31.770 31.775 31.780 31.786 3.791- 31.745 31.750 31.765 31.796 31.755 31.760 31.770 31.755 31.780 31.786 31.791 FACTORY COLOR CODE Green White 3-100 2007 Buell Lightning: Engine...
  • Page 270 The new outer race must be lapped slightly to true and align with left case bearing and to meet the following specifications in Table 3-33. LAPPING PINION SHAFT BEARING OUTER RACE. 2007 Buell Lightning: Engine 3-101...
  • Page 271 1.2499 in. (31.747 mm) OD inner race, a blue bear- Table 3-34. Pinion Inner Race ing is required. Specifications Roundness within 0.0002 in. (0.0051 mm) Taper within 0.0002 in. (0.0051 mm) Surface finish 16 RMS 3-102 2007 Buell Lightning: Engine...
  • Page 272 If side play measurement is greater than service wear limit listed below, replace flywheel/connecting rod assembly. The service wear limit is, 0.036 in. (0.8 mm). Figure 3-149. Checking Connecting Rod Side Play 2007 Buell Lightning: Engine 3-103...
  • Page 273 HD-46663), install sprocket shaft bearing into left crankcase half from the inside. b1046a3x Spacer, sprocket shaft Retaining ring, oil seal Oil seal Thrust washer Crankcase half Bearing Bearing retaining ring Figure 3-150. Sprocket Shaft Bearing Assembly 3-104 2007 Buell Lightning: Engine...
  • Page 274 Install pinion shaft bearing. Bearing retaining ring Lubricate pinion shaft bearing with engine oil. Figure 3-151. Sprocket Shaft Bearing Installation Slip bearing on pinion shaft. Install new retaining ring in groove of pinion shaft bearing inner race. 2007 Buell Lightning: Engine 3-105...
  • Page 275 Slide outer race in right crankcase over pinion shaft and bearing assembly. Apply LOCTITE 271 (red) to fasteners and tighten to 15-19 ft-lbs (20-26 Nm). NOTE According to manufacturing, there is no torque sequence to follow when tightening crankcase fasteners. 3-106 2007 Buell Lightning: Engine...
  • Page 276 Install the stud in the crankcase with the shoulder end down. Use an air gun to drive the stud until the shoulder reaches the crankcase. Remove air gun. Use a torque wrench to tighten stud to 10-20 ft-lbs (14-27 Nm). 2007 Buell Lightning: Engine 3-107...
  • Page 277 HOME NOTES 3-108 2007 Buell Lightning: Engine...
  • Page 278 Table Of Contents FUEL SYSTEM SUBJECT PAGE NO. 4.1 Specifications ..........4.2 Dynamic Digital Fuel Injection .
  • Page 279 4.38 Cooling Fan ..........4-106 4.39 Fuel Pump .
  • Page 280: Fuel System

    13.6-16.3 Nm page 4-99 Ignition rotor mounting bolt 43-53 in-lbs 5-6 Nm LOCTITE 243 (blue), page 4-98 Inner timer cover screws 12-20 in-lbs 1.3-2.3 Nm page 4-98 Intake flange screws 96-120 in-lbs 10.8-13.6 Nm page 4-121 2007 Buell Lightning: Fuel System...
  • Page 281 54-61 Nm LOCTITE ANTI-SEIZE, page 4-101 Throttle position sensor 12-15 in-lbs 1.4-1.7 Nm LOCTITE 222 (purple), page 4-105 Timer plate studs 15-30 in-lbs 2-3 Nm page 4-98 Upper tie bar 25-27 ft-lbs 33.9-36.6 Nm page 4-102 2007 Buell Lightning: Fuel System...
  • Page 282: Dynamic Digital Fuel Injection

    DYNAMIC DIGITAL FUEL INJECTION (DDFI) INTRODUCTION GENERAL The Buell DDFI operates both as an open and closed loop The Buell Dynamic Digital Fuel Injection (DDFI) System pro- system which allows it to adjust for all possible operating con- vides microprocessor-based electronic engine management ditions.
  • Page 283 BE/O IGN Coil Throttle To cooling Position Cooling BK/O fan fuse Sensor BK/W TN/V BE/O BK/W LT GN/Y Sensor [165] Ground Interactive muffler control To Brake/horn/ muffler fuse Figure 4-1. Buell Dynamic Digital Fuel Injection 2007 Buell Lightning: Fuel System...
  • Page 284: Diagnostic Introduction

    Correct problems through the replacement and/or repair of the affected components. After repairs are performed, the work must be validated. This involves clearing the trouble codes and confirming proper vehicle operation as indicated by the behavior of the check engine lamp. 2007 Buell Lightning: Fuel System...
  • Page 285: Checking For Trouble Codes

    Key ON Lamp ON 8 seconds: functional error** 4 Sec. 8 Sec. Lamp OFF 4 Sec. Key ON Lamp remains ON: current trouble code 4 Sec. 4 Sec. Key ON Figure 4-5. Check Engine Lamp Operation 2007 Buell Lightning: Fuel System...
  • Page 286 The fuel injection system provides two levels of diagnostics. The most sophisticated mode employs using a computer based diagnostic package called DIGITAL TECHNICIAN (Part No. HD-44750). The other mode requires using the check engine lamp. 4.5 CHECK ENGINE LAMP DIAGNOSTICS more information. 2007 Buell Lightning: Fuel System...
  • Page 287: Check Engine Lamp Diagnostics

    Once all codes have been sent, the data string is repeated. When you have recorded the same trouble code twice, it is an indication that the transmission has been restarted and that all trouble codes have been retrieved. 2007 Buell Lightning: Fuel System...
  • Page 288 50 start and run cycles. To execute one run cycle: Remove diagnostic test wire and install protective cover Start the vehicle. over data link connector. Return data link to original posi- tion. Let it run for at least 30 seconds. Turn the engine off. 2007 Buell Lightning: Fuel System...
  • Page 289: Breakout Box

    Breakout Box. 8890a Breakout box Breakout box grey and black connections at main harness Breakout box grey and black connections at ECM Figure 4-9. ECM and Breakout Box with Connections (Typical) 4-10 2007 Buell Lightning: Fuel System...
  • Page 290: Wiggle Test

    BOX. Set DVOM to read voltage changes. Start motorcycle engine and run at idle. Shake or wiggle harness to detect intermittents. If inter- mittents are present, radical voltage changes will register on the DVOM. 2007 Buell Lightning: Fuel System 4-11...
  • Page 291: General Information

    AND IDLE SPEED Compare engine behavior to tables. ADJUSTMENT. Starts hard. Refer to Table 4-4. EVAP hose disconnected Connect. Hesitates, stumbles, surges, misfires and/or slug- from induction module (CA) gish performance. Refer to Table 4-5. 4-12 2007 Buell Lightning: Fuel System...
  • Page 292 Cooling fan 4.26 TROUBLE CODE 36 Bank angle sensor 4.27 TROUBLE CODE 44 52, 53, 54, 55 ECM failure 4.28 TROUBLE CODES 52, 53, 54 AND 55 Cam sync failure 4.29 TROUBLE CODE 56 2007 Buell Lightning: Fuel System 4-13...
  • Page 293 Figure 4-11. Diagnostic Check Table 4-8. Wire Harness Connectors in Figure 4-11. DESCRIPTION TYPE LOCATION [10] ECM (black) 12-place Deutsch under seat [11] ECM (gray) 12-place Deutsch under seat [91A] data link 4-place Deutsch under seat 4-14 2007 Buell Lightning: Fuel System...
  • Page 294 Refer to applicable trouble code flow chart. Start with lowest trouble code. All diagnostic Refer to diagnostic codes are listed on page 4-13 in Table 4-7. tips in related trouble code chart (even if no code is set). 2007 Buell Lightning: Fuel System 4-15...
  • Page 295 DATA LINK TERMINAL ECM TERMINAL Wire Color Connector Lt. GN/R [11B] [10B] [11B] [10B] Continuity present in all four circumstances? Inspect terminals for damage or repair Replace ECM. See opens as necessary. 4.30 ELECTRONIC CONTROL MODULE. 4-16 2007 Buell Lightning: Fuel System...
  • Page 296: Check Engine Lamp Not Illuminated At Key On 4.9

    Check engine lamp Figure 4-12. Check Engine Lamp Table 4-9. ECM Connectors DESCRIPTION TYPE LOCATION [10] ECM (black) 12-place Deutsch Under seat [11] ECM (gray) 12-place Deutsch Under seat [91A] Data link 4-place Deutsch Under seat 2007 Buell Lightning: Fuel System 4-17...
  • Page 297 Electronic Control Module (ECM) Figure 4-15. Check Engine Lamp Circuit Table 4-10. Wire Harness Connectors in Figure 4-15. DESCRIPTION TYPE LOCATION [10] ECM (black) 12-place Deutsch under seat [39] instrument module 20-place Multilock behind windscreen 4-18 2007 Buell Lightning: Fuel System...
  • Page 298 Repair open or Disassemble short to voltage on instrument and BK/Y wire between inspect bulb. connector [39] and Bulb Failed? connector [10B]. Replace bulb. Replace instrument mod- ule. See 7.19 INSTRU- MENT MODULE. 2007 Buell Lightning: Fuel System 4-19...
  • Page 299: Check Engine Lamp On Continuously

    If the lamp goes off when the black 12150 ECM connector [10] is unplugged, the BK/Y wire is not shorted to ground. Figure 4-17. Electronic Control Module, (XB12Ss) 8891 Figure 4-18. Electronic Control Module (Typical) 4-20 2007 Buell Lightning: Fuel System...
  • Page 300 Electronic Control Module (ECM) Figure 4-19. Check Engine Lamp Circuit Table 4-11. Wire Harness Connectors in Figure 4-19. DESCRIPTION TYPE LOCATION [10] ECM (black) 12-place Deutsch under seat [39] instrument module 20-place Multilock behind windscreen 2007 Buell Lightning: Fuel System 4-21...
  • Page 301 Replace ECM. See function OK. Check for 4.30 ELECTRONIC trouble codes. See CONTROL MODULE. Repair short to ground Replace Instrument CHECKING FOR on BK/Y wire between Module TROUBLE CODES. connector [39] and connector [10]. 4-22 2007 Buell Lightning: Fuel System...
  • Page 302: Engine Cranks But Will Not Start

    To prevent spray of fuel, purge system of high-pressure fuel before supply line is disconnected. Gasoline is extremely flammable and highly explosive, which could result in death or serious injury. (00275a) Purge fuel line of high pressure gasoline. See 4.39 FUEL PUMP. 2007 Buell Lightning: Fuel System 4-23...
  • Page 303 TYPE LOCATION [10] ECM (black) 12-place Deutsch under seat [11] ECM (gray) 12-place Deutsch under seat [14] cam position sensor 3-place Deutsch under sprocket cover [83] ignition coil 3-place Packard beneath air cleaner baseplate 4-24 2007 Buell Lightning: Fuel System...
  • Page 304 Cam Position Sensor Front Rear Injector Injector [84A] [85A] [14A] Ignition Relay A B C [85B] [84B] [14B] Dyno Loop [10B] [11B] [10A] [11A] Connector Connector Electronic Control Module (ECM) Figure 4-22. Ignition Circuit 2007 Buell Lightning: Fuel System 4-25...
  • Page 305 49-51 PSI (338-352 kPa). Adequate pressure? Go to Test 4.11 STOP Incorrect pressure. See 4.13 (Part 2 of 3). FUEL PRESSURE TEST. 4-26 2007 Buell Lightning: Fuel System...
  • Page 306 (Part 3 of 3). Check for continuity between Ter- minal A connector [14B] and ground. Continuity present? Replace Replace ignition coil. spark plugs Repair open circuit. Repair short Replace ECM. See to ground. 4.30 ELECTRONIC CONTROL MODULE. 2007 Buell Lightning: Fuel System 4-27...
  • Page 307 Replace cam Replace cam position Mechanical failure. position sensor. See 4.31 sensor. See 4.31 Inspect for loose CAM POSITION SENSOR CAM POSITION SEN- rotor cup and ROTOR. SOR AND ROTOR. sheared pinion gear key. 4-28 2007 Buell Lightning: Fuel System...
  • Page 308: No Ecm Power

    ECM does not appear to be receiving power, check the bers on the Test 4.12 flow chart. ground sources. A blown ignition fuse or ECM fuse can also Connect BREAKOUT BOX (Part No. HD-42682) to ECM. disable the ECM. 4.6 BREAKOUT BOX. 2007 Buell Lightning: Fuel System 4-29...
  • Page 309 Table 4-13. Wire Harness Connectors in Figure 4-23. DESCRIPTION TYPE LOCATION [10] ECM (black) 12-place Deutsch under seat [22] right hand controls 4-place Multilock beneath windscreen [95] clutch switch 2-place Multilock to the left of windscreen 4-30 2007 Buell Lightning: Fuel System...
  • Page 310 Check for 12 volts wire between connector on right handlebar con- [22] and ignition relay. nector [22A] W/BK wire. Voltage present? Repair open on W/BK Replace handlebar wire between connector switch assembly. [22] and ignition relay. 2007 Buell Lightning: Fuel System 4-31...
  • Page 311: Fuel Pressure Test

    Connect the fuel line (3) to fuel pressure gauge adapter. NOTE Figure 4-27. Verify that fuel valve (2) and air bleed pet- cock (5) on the gauge are closed. Attach FUEL PRESSURE GAUGE (Part No. HD-41182) (4) to fuel pressure gauge adapter (1). 4-32 2007 Buell Lightning: Fuel System...
  • Page 312 Air bleed tube 41404), gray socket probe and patch cord. Fuel pressure gauge (HD-41182) Air bleed petcock Connect BREAKOUT BOX (Part No. HD-42682) to ECM. 4.6 BREAKOUT BOX. Figure 4-27. Fuel Pressure Gauge (Part No. HD-41182) 2007 Buell Lightning: Fuel System 4-33...
  • Page 313 Table 4-14. Wire Harness Connectors in Figure 4-28. DESCRIPTION TYPE LOCATION [10] ECM (black) 12-place Deutsch under seat [39] instrument module 20-place Multilock beneath windscreen [86] fuel pump 4-place Multilock left side of rear shock absorber 4-34 2007 Buell Lightning: Fuel System...
  • Page 314 Measure voltage relay and fuel pump. during first two seconds after key ON. Is voltage greater than 1 VDC? Locate and repair poor Replace ignition relay. connection between bat- tery and ignition relay. 2007 Buell Lightning: Fuel System 4-35...
  • Page 315 [10] (black) Termi- nal 3. Is continuity present? Replace fuel pump Repair fuel pump assembly. See 4.39 wiring. FUEL PUMP. Replace ECM. See 4.30 Locate and repair open ELECTRONIC CONTROL on BN/Y wire. MODULE. 4-36 2007 Buell Lightning: Fuel System...
  • Page 316: Idle Speed Control

    An idle speed too low can cause poor throttle response. An idle speed too high can cause a slow return to idle. 1.15 THROTTLE CABLE AND IDLE SPEED ADJUST- MENT for more information on idle speed adjustment. 2007 Buell Lightning: Fuel System 4-37...
  • Page 317: Misfire

    7.4 SPARK PLUG CABLES. Using an ohmmeter, touch probes to terminals on each end plug wire. Compare resistance values to Table 4-16. Replace cables not meeting specifications. Reinstall and repeat procedure on other spark plug cable. 4-38 2007 Buell Lightning: Fuel System...
  • Page 318 Table 4-17. Wire Harness Connectors in Figure 4-31. DESCRIPTION TYPE LOCATION [10] ECM (black) 12-place Deutsch under seat [22] right hand controls 4-place Multilock beneath windscreen [83] ignition coil 3-place Packard beneath air cleaner assembly baseplate 2007 Buell Lightning: Fuel System 4-39...
  • Page 319 Switch coil with unit Replace known to be good. ignition coil. Perform spark test. Did spark jump gap during engine cranking? Original ignition coil Go to Test 4.15 is faulty. Replace. STOP (Part 2 of 2). 4-40 2007 Buell Lightning: Fuel System...
  • Page 320 Replace cam position sensor. 4.31 CAM POSITION Replace cam position Mechanical failure. SENSOR AND ROTOR. sensor. See 4.31 Inspect for loose CAM POSITION SEN- rotor cup and SOR AND ROTOR. sheared pinion gear key. 2007 Buell Lightning: Fuel System 4-41...
  • Page 321 HOME NOTES 4-42 2007 Buell Lightning: Fuel System...
  • Page 322: Trouble Code 11 (Tp Sensor)

    Diagnostic Notes The reference numbers below correlate with the circled num- bers on the Code 11 flow charts. Connect BREAKOUT BOX (Part No. HD-42682) to ECM. 4.6 BREAKOUT BOX. 2007 Buell Lightning: Fuel System 4-43...
  • Page 323 ECM (gray) 12-place Deutsch under seat [14] cam position sensor 3-place Deutsch under sprocket cover [88] throttle position sensor 3-place Packard beneath air cleaner assembly baseplate [134] bank angle sensor 6-place Sumitomo under seat 4-44 2007 Buell Lightning: Fuel System...
  • Page 324 Clear codes and confirm proper operation with no check engine lamp. Codes can be cleared using DIGITAL TECHNICIAN (Part No. HD-44750). 2007 Buell Lightning: Fuel System 4-45...
  • Page 325 [14]. Measure resistance Replace BAS. between connector [88] Terminal A and Terminal C. Is resistance greater than 1 megaohm? Locate and repair short between R/W and BK/W Replace cam position wires. Reconnect [14]. sensor. 4-46 2007 Buell Lightning: Fuel System...
  • Page 326: Trouble Code 14

    If fresh air enters exhaust system, the O2 sensor will read a lean condition, causing the system to go rich. Diagnostic Notes Connect BREAKOUT BOX (Part No. HD-42682) to ECM. 4.6 BREAKOUT BOX. 2007 Buell Lightning: Fuel System 4-47...
  • Page 327 Electronic Control Module (ECM) Figure 4-37. Oxygen Sensor Circuit Table 4-19. Wire Harness Connectors in Figure 4-37. DESCRIPTION TYPE LOCATION [11] ECM (gray) 12-place Deutsch under seat [137] oxygen sensor 1-place Packard behind rear cylinder head 4-48 2007 Buell Lightning: Fuel System...
  • Page 328 4.30 ELECTRONIC 4.30 ELECTRONIC voltage and repair. V/GY wire. CONTROL MODULE. CONTROL MODULE. Clear codes and confirm proper operation with no check engine lamp. Codes can be cleared using DIGITAL TECHNICIAN (Part No. HD-44750). 2007 Buell Lightning: Fuel System 4-49...
  • Page 329 Repair. Fuel injectors may be dirty. See Fuel Injectors under 4.42 THROTTLE BODY. Clear codes and confirm proper operation with no check engine lamp. Codes can be cleared using DIGITAL TECHNICIAN (Part No. HD-44750). 4-50 2007 Buell Lightning: Fuel System...
  • Page 330 ECM (4.30 now OK. ELECTRONIC CONTROL MODULE). Road test again to verify. Clear codes and confirm proper operation with no check engine lamp. Codes can be cleared using DIGITAL TECHNICIAN (Part No. HD-44750). 2007 Buell Lightning: Fuel System 4-51...
  • Page 331: Trouble Code 16

    [10]). bers on the Code 14 flow charts. Connect BREAKOUT BOX (Part No. HD-42682) to ECM. 4.6 BREAKOUT BOX. Use HARNESS CONNECTOR TEST KIT (Part No. HD- 41404), gray pin probes and patch cord. 4-52 2007 Buell Lightning: Fuel System...
  • Page 332 Figure 4-39. Engine Temperature Sensor Circuit Table 4-21. Wire Harness Connectors in Figure 4-39. DESCRIPTION TYPE LOCATION [11] ECM (gray) 12-place Deutsch under seat [90] engine temperature sensor 1-place bullet beneath air cleaner assembly baseplate 2007 Buell Lightning: Fuel System 4-53...
  • Page 333 Dis- DIGITAL TECHNICIAN (Part No. HD-44750). regard the asterisk (but not the instruction box) if your normal progression through the chart brings you to this location. 4-54 2007 Buell Lightning: Fuel System...
  • Page 334 Clear codes and confirm proper operation with no check engine lamp. Codes can be cleared using DIGITAL TECHNICIAN (Part No. HD-44750). 2007 Buell Lightning: Fuel System 4-55...
  • Page 335: Trouble Code 21

    If connections and harness check out OK, check intake air temperature reading while moving related connectors and wiring harness. If the failure is induced, the IAT sen- sor display will change. 4-56 2007 Buell Lightning: Fuel System...
  • Page 336 Figure 4-41. Intake Air Temperature Sensor Circuit Table 4-23. Wire Harness Connectors in Figure 4-41. DESCRIPTION TYPE LOCATION [11] ECM (gray) 12-place Deutsch under seat [89] intake air temperature sensor 2-place Amp in air cleaner assembly baseplate 2007 Buell Lightning: Fuel System 4-57...
  • Page 337 12 volts normal progression through the chart brings you to and repair. this location. Clear codes and confirm proper operation with no check engine lamp. Codes can be cleared using DIGITAL TECHNICIAN (Part No. HD-44750). 4-58 2007 Buell Lightning: Fuel System...
  • Page 338 Clear codes and confirm proper operation with no check engine lamp. Codes can be cleared using DIGITAL TECHNICIAN (Part No. HD-44750). 2007 Buell Lightning: Fuel System 4-59...
  • Page 339: Battery Voltage

    The ECM is monitoring voltage at ECM connector [10] (black) Terminal 1. Connect BREAKOUT BOX (Part No. HD-42682) to ECM. See 4.6 BREAKOUT BOX. 10658 Fuse block Ignition relay Key switch relay Start relay Figure 4-43. Fuse Block and Electrical Relays (Typical) 4-60 2007 Buell Lightning: Fuel System...
  • Page 340 [10B] [11B] Connector Connector Electronic Control Module (ECM) [10A] [11A] Figure 4-44. Battery Voltage Circuit Table 4-24. Wire Harness Connectors in Figure 4-44. DESCRIPTION TYPE LOCATION [10] ECM (black) 12-place Deutsch under seat 2007 Buell Lightning: Fuel System 4-61...
  • Page 341 Replace ignition relay. STOP Go to Code 16 Test (Part 2 of 2). Clear codes and confirm proper operation with no check engine lamp. Codes can be cleared using DIGITAL TECHNICIAN (Part No. HD-44750). 4-62 2007 Buell Lightning: Fuel System...
  • Page 342 Is voltage drop greater than 0.5 volt? Replace R/Y wire between battery fuse and Replace main fuse. battery. Clear codes and confirm proper operation with no check engine lamp. Codes can be cleared using DIGITAL TECHNICIAN (Part No. HD-44750). 2007 Buell Lightning: Fuel System 4-63...
  • Page 343 Code 21 flow charts. Using TEST CONNECTOR KIT (Part No. HD-41404), attach red probe and patch cord to [164B]. Using TEST CONNECTOR KIT (Part No. HD-41404), use gray male pin probe and patch cord. 4-64 2007 Buell Lightning: Fuel System...
  • Page 344 [ 1 2 1 A ] [ 1 2 1 B ] Y / B K Ground Brake/Horn/Muffler 1 2 3 4 5 6 7 8 LH Controls R/BK Connector [11] Connector [10] Electronic Control Module (ECM) Figure 4-46. Interactive Exhaust Circuit 2007 Buell Lightning: Fuel System 4-65...
  • Page 345 Does valve Replace ECM. Replace inter- Locate and repair arm move freely without active motor. short to voltage on binding? TN/Y wire. Replace inter- active muffler actuator. Replace muffler Replace inter- assembly. active muffler cable. 4-66 2007 Buell Lightning: Fuel System...
  • Page 346: Trouble Codes 23 And 32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.23 Trouble Codes 24 And

    Use HARNESS CONNECTOR TEST KIT (Part No. HD- 41404), purple pin probes and patch cord. Figure 4-48. Fuel Injector Connector Connect BREAKOUT BOX (Part No. HD-42682) to ECM. 4.6 BREAKOUT BOX. Use FUEL INJECTOR TEST LAMP (Part No. HD-34730- 2C). 2007 Buell Lightning: Fuel System 4-67...
  • Page 347 ECM (black) 12-place Deutsch under seat [14] cam position sensor 3-place Deutsch beneath sprocket cover [84] front fuel injector 2-place Packard beneath air cleaner baseplate [85] rear fuel injector 2-place Packard beneath air cleaner baseplate 4-68 2007 Buell Lightning: Fuel System...
  • Page 348 Replace ECM. See 4.30 Perform 4.7 WIGGLE TEST. ELECTRONIC CONTROL Repair as necessary. MODULE. Clear codes and confirm proper operation with no check engine lamp. Codes can be cleared using DIGITAL TECHNICIAN (Part No. HD-44750). 2007 Buell Lightning: Fuel System 4-69...
  • Page 349 WIGGLE TEST to locate open wire. intermittents. Repair as necessary. Clear codes and confirm proper operation with no check engine lamp. Codes can be cleared using DIGITAL TECHNICIAN (Part No. HD-44750). 4-70 2007 Buell Lightning: Fuel System...
  • Page 350 24 or 25. This condition is normal and does not by itself indicate a malfunction. Codes must be cleared if this condition occurs. Figure 4-51. Testing Ignition Coil Connectors 2007 Buell Lightning: Fuel System 4-71...
  • Page 351 (ECM) Figure 4-52. Ignition Coil Circuit Table 4-26. Wire Harness Connectors in Figure 4-52. DESCRIPTION TYPE LOCATION [10] ECM (black) 12-place Deutsch under seat [83] ignition coil 3-place Packard beneath air cleaner assembly baseplate 4-72 2007 Buell Lightning: Fuel System...
  • Page 352 Repair as Replace ECM. See necessary. 4.30 ELECTRONIC CONTROL MODULE. Clear codes and confirm proper operation with no check engine lamp. Codes can be cleared using DIGITAL TECHNICIAN (Part No. HD-44750). 2007 Buell Lightning: Fuel System 4-73...
  • Page 353: Trouble Code 33

    Connect BREAKOUT BOX (Part No. HD-42682) to ECM. 4.6 BREAKOUT BOX. Use HARNESS CONNECTOR TEST KIT (Part No. HD- 41404), red pin probe and patch cord. Use HARNESS CONNECTOR TEST KIT (Part No. HD- 41404), gray socket probe and patch cord. 4-74 2007 Buell Lightning: Fuel System...
  • Page 354 Table 4-27. Wire Harness Connectors in Figure 4-54. DESCRIPTION TYPE LOCATION [10] ECM (black) 12-place Deutsch under seat [39] instrument module 20-place Multilock behind windscreen [86] fuel pump 4-place Multilock left side of rear shock absorber 2007 Buell Lightning: Fuel System 4-75...
  • Page 355 Terminal 87 to Pin D of [86]. Continuity present? Repair open. Clear codes and confirm proper operation with no check engine lamp. Codes can be cleared using DIGITAL TECHNICIAN (Part No. HD-44750). 4-76 2007 Buell Lightning: Fuel System...
  • Page 356: Trouble Code 35

    Connect BREAKOUT BOX (Part No. HD-42682) to ECM. 4.6 BREAKOUT BOX. Replace instrument module. See 7.19 INSTRUMENT MODULE. 8890 Figure 4-56. ECM Connections (XB12Ss) 10635a Breakout box Figure 4-55. Installed Breakout Box (Typical) 10654a Figure 4-57. Instrument Module Connector [39] (Typical) 2007 Buell Lightning: Fuel System 4-77...
  • Page 357 Electronic Control Module (ECM) [10A] [11A] Figure 4-58. Tachometer Circuit Table 4-28. Wire Harness Connectors in Figure 4-58. DESCRIPTION TYPE LOCATION [10] ECM (black) 12-place Deutsch under seat [39] instrument module 20-place Multilock behind windscreen 4-78 2007 Buell Lightning: Fuel System...
  • Page 358 TEST. Intermit- TROL MODULE. tents found? Clear codes and confirm proper operation with no check engine lamp. Codes can be cleared using DIGITAL TECHNICIAN (Part No. HD-44750). Repair. Replace instrument module. 7.19 INSTRUMENT MODULE. 2007 Buell Lightning: Fuel System 4-79...
  • Page 359: Trouble Code 36

    The reference numbers below correlate with the circled num- bers on the Code 36 flow charts. Use HARNESS CONNECTOR TEST KIT (Part No. HD- 41404), gray pin probes and patch cord. Connect BREAKOUT BOX (Part No. HD-42682) to ECM. 4.6 BREAKOUT BOX. 4-80 2007 Buell Lightning: Fuel System...
  • Page 360 Electronic Control Module (ECM) Figure 4-60. Cooling Fan Circuit Table 4-30. Wire Harness Connectors in Figure 4-60. DESCRIPTION TYPE LOCATION [11] ECM (gray) 12-place Deutsch under seat [97] cooling fan 2-place Multilock behind rear cylinder 2007 Buell Lightning: Fuel System 4-81...
  • Page 361 Disregard the asterisk (but not the instruction box) if your normal pro- gression through the chart brings you to this location. Defective ECM or System ok. ECM connection. 4-82 2007 Buell Lightning: Fuel System...
  • Page 362 Place a jumper wire between fan Y/BN wire and battery positive. Place a System ok. jumper between fan BK Replace fan. wire and ground. Does fan run at full speed? Replace fan. System ok. 2007 Buell Lightning: Fuel System 4-83...
  • Page 363: Trouble Code 44

    Connect BREAKOUT BOX (Part No. HD-42682) to ECM. 4.6 BREAKOUT BOX. Disable Mode 3.5-4.79 volts Weighted pendulum Figure 4-63. Bank Angle Sensor (Typical) Run Mode 0.24-3.4 volts b1085x4x Figure 4-61. Bank Angle Sensor Operation 4-84 2007 Buell Lightning: Fuel System...
  • Page 364 [11] ECM (gray) 12-place Deutsch under seat [14] cam position sensor 3-place Deutsch under sprocket cover [88] throttle position sensor 3-place Packard beneath air cleaner baseplate [134] bank angle sensor 6-place Sumitomo under seat 2007 Buell Lightning: Fuel System 4-85...
  • Page 365 Are ferrous metals located within Install properly. See 4.35 BANK 0.25 in. (6.4 mm) of sides, face or ANGLE SENSOR. top of bank angle sensor? Replace bank angle sensor. See 4.35 Return to original BANK ANGLE SENSOR. configuration. 4-86 2007 Buell Lightning: Fuel System...
  • Page 366 Repair short to ground Replace ECM. See on Lt GN/GY wire. 4.30 ELECTRONIC CONTROL MODULE. Clear codes and confirm proper operation with no check engine lamp. Codes can be cleared using DIGITAL TECHNICIAN (Part No. HD-44750). 2007 Buell Lightning: Fuel System 4-87...
  • Page 367: Trouble Codes 52, 53, 54 And 55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.29 Trouble Code 56

    4.30 ELECTRONIC CONTROL MODULE. Code 52 - RAM failure. Code 53 - ROM failure. Code 54 - EE PROM failure. Code 55 - Microprocessor failure. 12154 Figure 4-66. ECM (Typical) Figure 4-65. ECM (XB12Ss) 4-88 2007 Buell Lightning: Fuel System...
  • Page 368 Use HARNESS CONNECTOR TEST KIT (Part No. HD- 41404), black pin probes and patch cord. Timer plate stud (2) 4.31 CAM POSITION SENSOR AND ROTOR. Sensor wiring Cam position sensor b0313a7x Figure 4-67. Cam Position Sensor 2007 Buell Lightning: Fuel System 4-89...
  • Page 369 [11] ECM (gray) 12-place Deutsch under seat [14] cam position sensor 3-place Deutsch under sprocket cover [88] throttle position sensor 3-place Packard beneath air cleaner baseplate [134] bank angle sensor 6-place Sumitomo under seat 4-90 2007 Buell Lightning: Fuel System...
  • Page 370 [11] and to ground. to voltage. TRONIC CON- [14]. [14]. TROL MODULE. Clear codes and confirm proper operation with no check engine lamp. Codes can be cleared using DIGITAL TECHNICIAN (Part No. HD-44750). 2007 Buell Lightning: Fuel System 4-91...
  • Page 371 Install original cam System position sensor. Replace ECM. See 4.30 ELECTRONIC CONTROL MODULE. Clear codes and confirm proper operation with no check engine lamp. Codes can be cleared using DIGITAL TECHNICIAN (Part No. HD-44750). 4-92 2007 Buell Lightning: Fuel System...
  • Page 372: Electronic Control Module

    (00070a) Install seat. See 2.44 SEAT. NOTE If the ECM was replaced with a new component, it will be necessary to recalibrate Throttle Position Sensor. Throttle 2007 Buell Lightning: Fuel System 4-93...
  • Page 373 Rear coil primary Sensor ground 1 Injector rear Vehicle speed sensor Interactive muffler control feedback Engine temperature Bank angle sensor input Intake air temperature System ground B (coil) Serial data receive Tachometer Serial data transmit 4-94 2007 Buell Lightning: Fuel System...
  • Page 374: Cam Position Sensor And Rotor

    Remove timer plate studs (4). Carefully remove cam position sensor. Remove bolt (17) and trig- ger rotor (16). 10. Carefully remove camshaft oil seal (15) if damaged or if there is any evidence of oil leakage past the seal. 2007 Buell Lightning: Fuel System 4-95...
  • Page 375 11. Mounting fastener 12. Ignition coil 13. Front spark plug cable 14. Cylinder brace 15. Seal 16. Trigger rotor 17. Trigger rotor bolt 18. Cam position sensor 19. Inner cover b1164a4x Figure 4-74. Ignition Components 4-96 2007 Buell Lightning: Fuel System...
  • Page 376 HOME bs0017aL Figure 4-75. Ignition System Circuit 2007 Buell Lightning: Fuel System 4-97...
  • Page 377 10. Secure timer cover (2) to inner cover using new rivets (1). 11. Install sprocket cover. See 2.34 SPROCKET COVER. 12. Connect negative battery cable. 4-98 2007 Buell Lightning: Fuel System...
  • Page 378: Ignition Coil

    Install intake cover assembly. See 2.38 INTAKE COVER Rear Cylinder Post ASSEMBLY. Coil Pin A (rear cylinder) Connect negative battery cable. Coil Pin B (12 VDC) Coil Pin C (front cylinder) Front Cylinder Post Figure 4-78. Ignition Coil 2007 Buell Lightning: Fuel System 4-99...
  • Page 379 This is most noticeable in NORMAL wet weather or after the motorcycle has been washed. OHMMETER WINDING RESISTANCE RANGE SCALE (IN OHMS) Primary R x 1 0.5-0.7 Secondary R x 1K 5.5K-7.5K 4-100 2007 Buell Lightning: Fuel System...
  • Page 380: Oxygen Sensor

    Connect 1-place connector [137] (1) to wiring harness. Install cable straps (2). Install air cleaner assembly. See 4.44 AIR CLEANER ASSEMBLY. Install intake cover assembly. See 2.38 INTAKE COVER ASSEMBLY. Connect negative battery cable. 2007 Buell Lightning: Fuel System 4-101...
  • Page 381: Engine Temperature Sensor

    While riding, a loose seat can shift causing loss of control, which could result in death Figure 4-82. Engine Temperature Sensor Location (rear or serious injury. (00070a) cylinder) Install seat. See 2.44 SEAT. 4-102 2007 Buell Lightning: Fuel System...
  • Page 382: Bank Angle Sensor

    Seat latch bracket or serious injury. (00070a) BAS fasteners Install seat. See 2.44 SEAT. Figure 4-84. Bank Angle Sensor Location Top (Lightning), Bottom (XB12Ss) 2007 Buell Lightning: Fuel System 4-103...
  • Page 383: Intake Air Temperature Sensor

    INSTALLATION Connect IAT sensor connector [89] to wiring harness. Install IAT sensor into grommet on air cleaner assembly baseplate from underneath. Install air cleaner assembly. See 4.44 AIR CLEANER ASSEMBLY. Install negative battery cable. 4-104 2007 Buell Lightning: Fuel System...
  • Page 384: Throttle Position Sensor

    Throttle position sensor can only be calibrated using DIGITAL TECHNICIAN (Part No. HD-44750). Calibrate throttle position sensor. 12501 Figure 4-87. Throttle Position Sensor Figure 4-86. Throttle Position Sensor Connector Location b0651x4x Figure 4-88. Tabs on TP Sensor Connector [88A] 2007 Buell Lightning: Fuel System 4-105...
  • Page 385: Cooling Fan

    Install fan and rotate counterclockwise into position. Install cooling fan fasteners. Tighten to 12-36 in-lbs (1.4- 4.1 Nm). Install shock absorber. See 2.23 REAR SHOCK ABSORBER. Connect negative battery cable. 4-106 2007 Buell Lightning: Fuel System...
  • Page 386: Fuel Pump

    (00002a) Remove drain plug (4) and drain fuel into appropriate container. Discard plug. When fuel tank is empty, replace with new drain plug. Tighten to 84-108 in-lbs (9.5-12.2 Nm). 2007 Buell Lightning: Fuel System 4-107...
  • Page 387 Figure 4-93. Fuel Pump Removal 10. Place wrench onto nut and another wrench onto the bolt. Hold the bolt stationary and turn nut clockwise until fuel pump is pulled free from frame. 4-108 2007 Buell Lightning: Fuel System...
  • Page 388 (3) in place. Spread the four clips and detach regulator (3) from regulator housing (4). 10937a Plastic retaining ring Fuel pressure regulator Plastic retainers Fuel pressure regulator housing Figure 4-94. Fuel Pressure Regulator 2007 Buell Lightning: Fuel System 4-109...
  • Page 389 10935a Fuel supply stud Fuel pump connectors Fuel pump assembly Low fuel pressure regulator O-rings Fastener Fuel screen Fuel pressure regulator Fuel pump 10. Low fuel level sensor connector Figure 4-95. Fuel Pump Assembly 4-110 2007 Buell Lightning: Fuel System...
  • Page 390 Bracket, fuel pump and fuel filter Low fuel level sensor 10. Overflow hose Fuel pump connectors 11. Fuel pump housing Low fuel level sensor connector 12. Ground fastener Figure 4-96. Fuel Pump Assembly (Left and Right Sides) 2007 Buell Lightning: Fuel System 4-111...
  • Page 391 Plastic retaining ring, pressure regulator Fuel pump Fuel filter Low fuel level sensor E-clip Fuel pressure regulator housing Connectors, fuel pump Fuel pressure regulator 10. Fuel pump wiring harness Figure 4-97. Fuel Pump Assembly 4-112 2007 Buell Lightning: Fuel System...
  • Page 392 (6). 11. Connect fuel pump connectors (8). Connectors are two different sizes. 12. Install fuel pump assembly. See INSTALLATION in this Safety pin section. Fuel pump connector Clips Figure 4-99. Fuel Pump Connector Disassembly 2007 Buell Lightning: Fuel System 4-113...
  • Page 393 Install swingarm. See 2.19 ISWINGARM AND BRACE. 10. Install rider footpeg mounts. See 2.33 FOOTPEG, HEEL GUARD AND MOUNT. 11. Remove cable strap securing he idler adjuster cable to “V” bracket. 4-114 2007 Buell Lightning: Fuel System...
  • Page 394: Fuel Tank Vent Valve

    After installing seat, pull upward on front of seat to be sure it is in locked position. While riding, a loose seat can shift causing loss of control, which could result in death or serious injury. (00070a) Install seat. See 2.44 SEAT. 2007 Buell Lightning: Fuel System 4-115...
  • Page 395: Fuel Cap Retaining Ring

    Insert fuel cap retaining ring into fuel filler neck. Fuel cap retaining ring Install fasteners (4). Tighten to 62-71 in-lbs (7-8 Nm). Fastener (5) Install fuel filler cap. Figure 4-102. Fuel Cap Retaining Ring 4-116 2007 Buell Lightning: Fuel System...
  • Page 396: Throttle Body

    Remove fuel rail fastener (1) that holds the fuel rail to the throttle body and manifold. 10. Remove fastener connecting thottle body to cylinder brace. 11. Disconnect TPS connector [88] and injector connectors [84] and [85]. 2007 Buell Lightning: Fuel System 4-117...
  • Page 397 10. Throttle position sensor 21. Bolt (2) 11. Clamp, wire spring 22. Mounting flange, intake (1 front, 1 rear) 12. Velocity stack 23. Seal, intake manifold (2) Figure 4-105. One Piece Throttle Body/Intake Manifold Assembly (all models) 4-118 2007 Buell Lightning: Fuel System...
  • Page 398: Fuel Injectors

    Remove fuel injectors (2, 5) from manifold by gently rock- ing and pulling it away from the manifold. NOTE Front and rear fuel injectors are not interchangeable. 8750a Manifold to cylinder brace fastener Intake flange fastener (2) Figure 4-106. Intake Manifold (Primary Side) 2007 Buell Lightning: Fuel System 4-119...
  • Page 399 Tighten to 20-25 in-lbs (2.3-2.8 Nm). Front fuel injector Snap the injector clips (4) over the flange on the fuel rail Figure 4-110. Fuel Injectors outlet and into the top grove in the injector. 4-120 2007 Buell Lightning: Fuel System...
  • Page 400 11. Install air cleaner cover. See 4.44 AIR CLEANER ASSEMBLY. 12. Check throttle cable adjustment. See 2.24 THROTTLE CONTROL. 13. Install air scoops. See 2.39 AIR SCOOPS. 14. Verify engine speed. See 1.19 THROTTLE POSITION SENSOR (TPS). 2007 Buell Lightning: Fuel System 4-121...
  • Page 401 Install air cleaner cover. See 4.44 AIR CLEANER ASSEMBLY. Install intake cover assembly. See 2.38 INTAKE COVER ASSEMBLY. Fuel rail fastener Rear fuel injector Fuel rail assembly Clip (2) Front fuel injector Figure 4-113. Fuel Injectors 4-122 2007 Buell Lightning: Fuel System...
  • Page 402: Intake Leak Test

    Nozzle Figure 4-114. Flatten one end of copper tube to form Copper Tube a nozzle. Hose Valve Insert round side of copper tube into end of tubing. Knob Propane bottle Figure 4-115. Leak Tester 2007 Buell Lightning: Fuel System 4-123...
  • Page 403 Figure 4-116. Aim nozzle toward possible sources of leak such as fuel injectors and intake tract. Figure 4-115. Push valve (4) to release propane. Tone of engine will change when propane enters source of leak. 4-124 2007 Buell Lightning: Fuel System...
  • Page 404: Air Cleaner Assembly

    Vapor Valve (XB12 “Translucid” models) Inspect IAT sensor and replace if faulty. See 4.36 INTAKE AIR TEMPERATURE SENSOR. Inspect breather hoses, intake air temperature sensor grommet and air cleaner cover seal (3). Replace as nec- essary. 2007 Buell Lightning: Fuel System 4-125...
  • Page 405 Baseplate should be sandwiched between upper and lower rubber sealing rings. 8373 Fasteners Intake air temperature sensor (IAT) Gasket Baseplate Breather hoses Velocity stack Velocity stack sealing ring Figure 4-120. baseplate (all models) 4-126 2007 Buell Lightning: Fuel System...
  • Page 406 Cover screw (XB9SX) (2) “Translucid” air cleaner cover (XB9SX) Cover, air cleaner Filter element Air cleaner cover seal Shoulder screw (4) baseplate assembly Breather hoses, front and rear Grommet Figure 4-121. Air Cleaner Assembly (XB9SX) 2007 Buell Lightning: Fuel System 4-127...
  • Page 407 Harness, interactive exhaust 12. Breather hoses, front and rear Cable bracket 13. Grommet Interactive exhaust cable 14. Activator cover (XB12 “Translucid” cover) Cover, air cleaner Figure 4-122. Air Cleaner Assembly (XB12 Models) with Interactive Exhaust Components 4-128 2007 Buell Lightning: Fuel System...
  • Page 408: Evaporative Emissions Control-California Models

    4.45 GENERAL 8915 Buell motorcycles sold in the state of California are equipped with an evaporative (EVAP) emissions control system. The EVAP system prevents fuel hydrocarbon vapors from escap- ing into the atmosphere and is designed to meet the Califor- nia Air Resource Board (CARB) regulations in effect at the time of manufacture.
  • Page 409 The barb is the larger outside diameter portion (bump) on the fuel fitting. Figure 4-123. Connect two hoses to the canister. Make sure to push hoses all the way on to carbon canis- ter fittings. Figure 4-125. Canister Mounting Bracket 4-130 2007 Buell Lightning: Fuel System...
  • Page 410 fitting and not on the fitting barb. Failure to comply may result in fuel leakage which could result in death or seri- ous injury. Figure 4-126. Emissions Hose Attachment, California Models Only 2007 Buell Lightning: Fuel System 4-131...
  • Page 411 HOME NOTES 4-132 2007 Buell Lightning: Fuel System...
  • Page 412 ELECTRIC STARTER Table Of Contents SUBJECT PAGE NO. 5.1 Specifications ..........5.2 Electric Starter System .
  • Page 414: Specifications

    8 ft-lbs (11 Nm) (min.) @ 2.4 V TORQUE VALUES ITEM TORQUE NOTES Battery terminal fasteners 72-96 in-lbs 8-11 Nm page 5-19 Starter battery positive cable 60-85 in-lbs 7-10 Nm page 5-19 Starter mounting bolts 13-20 ft-lbs 18-27 Nm page 5-19 2007 Buell Lightning: Starter...
  • Page 415: Electric Starter System

    The solenoid plunger (7) is returned to its original 7.5 STARTER INTERLOCK for operation and trouble- position by the return spring, which causes the pinion gear (1) shooting information. to disengage from the clutch ring gear (13). 2007 Buell Lightning: Starter...
  • Page 416 Pinion gear Idler gear Field winding Armature Brush Ball bearing Solenoid plunger Main solenoid contacts Battery 10. Pull-in winding Starting circuit-see 11. Hold-in winding wiring diagram 12. Overrunning clutch 13. Clutch ring gear Figure 5-1. Starter Operation 2007 Buell Lightning: Starter...
  • Page 417: Starting System Diagnosis

    Is 12V present on starter relay Replace Starter Test 3: Relay Clicks. Terminal 86 with starter button solenoid. not pressed? 5845 Nothing clicks. See Starter Replace Replace Test 4: Nothing Clicks. right handlebar starter relay. switchgear. 5832 5818 2007 Buell Lightning: Starter...
  • Page 418 Terminal 30 Replace grounds. Replace or Terminal 87 when starter on starter relay. solenoid. repair starter motor. button is pressed? 5827 5860 5817 Repair open on Replace GN wire between relay starter relay. and solenoid. 5832 5827 2007 Buell Lightning: Starter...
  • Page 419 (W/BK wire at connector [22]). interlock circuit relay. button to relay. Battery voltage present? or correct relay 5832 ground. 5831 5828 Replace right han- Repair wiring to dlebar switchgear. starter button. 5816 5831 2007 Buell Lightning: Starter...
  • Page 420 Are test results within range? Remove spark plugs while in Test starter motor for 5th gear. Rotate rear wheel. opens, shorts or grounds. Check for engine, primary Replace or repair starter and/or crankshaft bind. motor. 5817 Use appropriate code 2007 Buell Lightning: Starter...
  • Page 421: Starter Activation Circuits

    10. Start relay Main fuse (30 A) purposes only) 11. Solenoid Key switch fuse Ignition fuse 12. Starter Key switch Key switch relay Run/Stop switch Start switch Figure 5-3. Typical Circuity. Refer to wiring diagrams for more information. 2007 Buell Lightning: Starter...
  • Page 422: Diagnostics/Troubleshooting

    However, when suffi- entire difference in potential displayed on the meter. cient current is passed through, the resistance caused by the powdered paint will cause a voltage drop or potential difference in the ground circuit. 2007 Buell Lightning: Starter...
  • Page 423 5-10 2007 Buell Lightning: Starter...
  • Page 424: Starter System Testing

    Typical starter current draw will range between 140- 180 amperes. If starter current draw exceeds 180 amperes, then the problem may be in the starter or starter drive. Battery Remove starter for further tests. See STARTER. Figure 5-7. Starter Draw Test 2007 Buell Lightning: Starter 5-11...
  • Page 425: Starter

    Remove positive battery cable (2) ring terminal. Detach solenoid wire (3). Remove starter and gasket from the gearcase cover side. Fastener with washer (metric) Positive battery cable Solenoid wire Figure 5-9. Starter Wires (protective boot not shown) 5-12 2007 Buell Lightning: Starter...
  • Page 426: Testing Assembled Starter

    Solenoid motor terminal to negative battery post. Solenoid relay terminal to positive battery post. Observe starter pinion. If starter pinion pulls in strongly, solenoid is working properly. If starter pinion does not pull in, replace the sole- noid. 2007 Buell Lightning: Starter 5-13...
  • Page 427 If starter pinion returns to its original position, sole- Motor terminal noid is working properly. Relay terminal If starter pinion does not return to its original posi- tion, replace the solenoid. Battery Figure 5-13. Return Test 5-14 2007 Buell Lightning: Starter...
  • Page 428 1/32 in. (0.794 mm) deep. The slots should then be cleaned to remove any dirt or cop- per dust. Field frame Brush holder Brush spring (4) Armature Solenoid housing Figure 5-16. Starter Components 2007 Buell Lightning: Starter 5-15...
  • Page 429 Mica must not be left with a thin edge next to segments Mica Segments WRONG Mica must be cut away clean between segments Mica Undercutting mica with Segments piece of hacksaw blade RIGHT WAY Figure 5-17. Undercutting Mica Separators 5-16 2007 Buell Lightning: Starter...
  • Page 430 There should be continuity (0 ohms) at all test points. No continuity at any test point indicates armature is open and must be replaced. Figure 5-19. Grounded Armature Test 6012a Figure 5-20. Open Armature Test 2007 Buell Lightning: Starter 5-17...
  • Page 431 (6). Remove drive housing from solenoid hous- ing. 16. Remove drive, idler gear, idler gear bearing, and o-ring from drive housing (o-ring is located in drive housing Figure 5-22. Open Field Test groove). s0164x5x Figure 5-23. Brush Holder Insulation Test 5-18 2007 Buell Lightning: Starter...
  • Page 432 While riding, a loose seat can Mounting bolts and washers shift causing loss of control, which could result in death Starter or serious injury. (00070a) Figure 5-26. Starter Mounting Install seat. See 2.44 SEAT. 2007 Buell Lightning: Starter 5-19...
  • Page 433 16. O-ring 17. Return spring 18. Ball 19. Gasket 20. Washer (2) 21. Mounting bolt (2) 22. Field wire 23. O-ring (2) 24. Field wire nut with washer (metric) Figure 5-27. Starter Assembly 5-20 2007 Buell Lightning: Starter...
  • Page 434: Starter Solenoid

    Replace wire connection hardware as necessary. Figure 5-28. Starter Solenoid Install plunger (5) in solenoid housing (6). Install new gasket (4) onto cover (3). Position cover with gasket onto solenoid housing. Install clip (2) and screws (1). 2007 Buell Lightning: Starter 5-21...
  • Page 435 HOME NOTES 5-22 2007 Buell Lightning: Starter...
  • Page 436 Table Of Contents DRIVE/TRANSMISSION 6 SUBJECT PAGE NO. 6.1 Specifications ..........6.2 Primary Cover .
  • Page 438: Specifications

    ITEM NEW COMPONENTS SERVICE WEAR LIMITS Friction plate (fiber) (in.) 0.0866 + 0.0031 in. (2.200 + 0.079 mm) Steel plate 0.0629 + 0.0020 in. (1.598 + 0.051 mm) Clutch pack (in.) 0.661 in. (16.789 mm) (minimum) 2007 Buell Lightning: Drive/Transmission...
  • Page 439 LOCTITE 271 (red), page 6-6 , LOCTITE 271 (red), left hand threads, special Special Transmission sprocket nut procedure torque turn method, page 6-54 Transmission sprocket screws 90-110 in-lbs 10.2-12.4 Nm Replace after 3 removals, page 6-54 2007 Buell Lightning: Drive/Transmission...
  • Page 440: Primary Cover

    Figure 6-1. Loosen locknut (7). Turn chain adjuster screw (6) counterclockwise to remove tension on primary chain. Remove three TORX screws with washers and clutch inspection cover. 10. See Figure 6-1. Remove clutch inspection cover (3). 2007 Buell Lightning: Drive/Transmission...
  • Page 441 17. Bolt 18. Shifter lever 19. Oil seal 20. Sems screw, 21. Adjuster assembly 22. Chain adjustment nut 23. O-ring 24. Drain plug 25. Rubber washer Figure 6-3. Primary Cover, Primary Chain Adjuster and Shifter Assembly 2007 Buell Lightning: Drive/Transmission...
  • Page 442 1.8 CLUTCH. screw with nylon sealing surface toward cover. A 1/4-inch allen wrench may be inserted into end of adjuster screw Adjust primary chain tension. See 1.10 PRIMARY to hold it while threading lock nut. CHAIN. 2007 Buell Lightning: Drive/Transmission...
  • Page 443 13. After applying LOCTITE 271, install flange bolt (5) and shift pedal to primary cover, and tighten to 22-24 ft-lbs (30-32.5Nm). 14. After applying LOCTITE 271 (red), tighten engine shift lever pinch screw to 48-60 in-lbs (5.4-6.8 Nm). 2007 Buell Lightning: Drive/Transmission...
  • Page 444: Clutch Release Mechanism

    (7). As the adjusting screw is turned, b1057x6x TORX screw with washers (3) Ramp assembly Clutch inspection cover Adjusting screw assembly Clutch cover gasket Primary cover Spring 10. Coupling Lockplate 11. Drain plug and o-ring Figure 6-9. Clutch Release Mechanism 2007 Buell Lightning: Drive/Transmission...
  • Page 445 After installing seat, pull upward on front of seat to be sure it is in locked position. While riding, a loose seat can shift causing loss of control, which could result in death or serious injury. (00070a) Install seat. See 2.44 SEAT. 2007 Buell Lightning: Drive/Transmission...
  • Page 446: Clutch

    Replace release ramps and/or balls. Clutch drags. Warped clutch steel plates. Replace clutch steel plates. Blade worn or damaged clutch gear splines. Replace clutch gear or hub as required. Overfilled primary. Drain lubricant to correct level. 2007 Buell Lightning: Drive/Transmission...
  • Page 447 29. Clutch shell and sprocket Retaining ring 19. Steel plate (7) 30. Outer thrust washer Retaining ring 20. Friction plate, narrow 10. Spring seat 21. Damper spring 11. Diaphragm spring 22. Damper spring seat Figure 6-12. Clutch Assembly 6-10 2007 Buell Lightning: Drive/Transmission...
  • Page 448 Thread the CLUTCH SPRING FORCING SCREW (Part No. HD-38515-91) onto the clutch adjusting screw. Place the bridge of SPRING COMPRESSING TOOL (Part No. HD-38515-A) against diaphragm spring. Install bearing and washer. Thread the tool handle onto end of forcing screw. 2007 Buell Lightning: Drive/Transmission 6-11...
  • Page 449 Install adjusting screw assembly into pressure plate. Figure 6-37. Align two tabs on perimeter of release plate with corresponding recesses (3) in pressure plate. Secure the adjusting screw assembly with new retaining ring. 6-12 2007 Buell Lightning: Drive/Transmission...
  • Page 450 See 6.5 PRIMARY CHAIN. Inspect slots that mate with the clutch plates on both clutch shell and hub. If slots are worn or damaged, replace shell and/or hub. See 6.5 PRIMARY CHAIN. 2007 Buell Lightning: Drive/Transmission 6-13...
  • Page 451: Assembly And Installation

    flats to prevent the forcing screw from turning. Spring seat Turn compressing tool handle clockwise until dia- Figure 6-21. Spring Seat Installation phragm spring compresses just enough to install new retaining ring into the groove in clutch hub prongs. 6-14 2007 Buell Lightning: Drive/Transmission...
  • Page 452 Diaphragm spring 11. Install seat. See 2.44 SEAT. Snap ring Pressure plate Spring seat Figure 6-22. Pressure Plate Assembly 8815 Adjusting screw assembly Retaining ring Tab recesses Figure 6-23. Clutch Adjusting Screw Assembly and Retaining Ring 2007 Buell Lightning: Drive/Transmission 6-15...
  • Page 453: Primary Chain

    TWO CLAW PULLER (Part No. HD-97292-61) and two bolts to loosen the engine sprocket. Figure 6-16. Remove adjusting screw assembly. Remove large retaining ring. Remove adjusting screw assembly from pressure plate. 6-16 2007 Buell Lightning: Drive/Transmission...
  • Page 454 If the inner race shows any of these signs the complete hub assembly must be replaced. 8804 11. Replace damaged parts as necessary. Figure 6-28. Clutch Hub Bearing Race 2007 Buell Lightning: Drive/Transmission 6-17...
  • Page 455 Installation end of bearing tool Needle bearing Bearing guide, installer Figure 6-29. Clutch Shell Bearing Remover/Installer B-45926 8812 Figure 6-32. Installing Clutch Shell Needle Bearing Clutch Shell Bearing Remover/Installer B-45926 Figure 6-30. Removing Clutch Shell Needle Bearing 6-18 2007 Buell Lightning: Drive/Transmission...
  • Page 456 Install engine sprocket nut. Tighten to 240-260 ft-lbs (325.4-352.5 Nm). b1061x6x Mainshaft nut Washer Clutch hub Figure 6-35. Mainshaft Nut and Washer Clutch hub Needle bearing Clutch shell Thrust washer, outer Figure 6-33. Clutch Hub and Shell Assembly 2007 Buell Lightning: Drive/Transmission 6-19...
  • Page 457 (00070a) 14. Install seat. See 2.44 SEAT. Adjusting screw assembly Retaining ring Tab recesses Figure 6-37. Clutch Adjusting Screw Assembly and Retaining Ring 6-20 2007 Buell Lightning: Drive/Transmission...
  • Page 458: Drive Belt System

    Mishandling drive belt will result in premature failure. For maximum strength, integrity and longevity, avoid over bending (A and B), twisting (C), crimping, pinching or kink- ing (D), and prying (E). Figure 6-38. Proper Drive Belt Handling 2007 Buell Lightning: Drive/Transmission 6-21...
  • Page 459 2.19 ISWINGARM AND BRACE. NOTE When removing or installing belt, do not bend or twist belt, partially slide belt onto sprocket and "roll" wheel or belt dam- age will occur. 11. Slide belt from sprocket and remove. 6-22 2007 Buell Lightning: Drive/Transmission...
  • Page 460: Drive Belt Installation

    12. Remove scissor jack from motorcycle. Drive belt not fully seated in rear sprocket Squeezing drive belt in order to seat in pulleys Drive belt fully seated in rear sprocket Figure 6-42. Seating Drive Belt Into Pulley Teeth 2007 Buell Lightning: Drive/Transmission 6-23...
  • Page 461 61 Nm). b1106x6x 8420 Axle Pinch bolt fastener Figure 6-43. Rear Wheel Mounting, Right Side Wheel Wheel nut Stud Idler pulley bracket Idler pulley bracket nut and washer Wheel fastener Figure 6-44. Idler Pulley Assembly 6-24 2007 Buell Lightning: Drive/Transmission...
  • Page 462: Transmission

    1st Gear Neutral Countershaft Countershaft Mainshaft Mainshaft 2nd Gear 3rd Gear Countershaft Countershaft Mainshaft Mainshaft 4th Gear 5th Gear Countershaft Countershaft - IN - SLIDING MEMBER - POWER FLOW - OUT Figure 6-45. Transmission Power Flow 2007 Buell Lightning: Drive/Transmission 6-25...
  • Page 463: Case Disassembly For Transmission Removal

    Figure 6-48. With transmission still in neutral, scribe a line on the end of the shifter drum at the 12 o’clock Figure 6-46. Place transmission in 1st gear. Remove position for later reference. hex fastener. 6-26 2007 Buell Lightning: Drive/Transmission...
  • Page 464 Figure 6-49. Remove shifter shaft assembly. Figure 6-51. Rear Isolator Assembly 14. See Figure 6-51. Remove rear isolator assembly by removing the forward two fasteners first and then the two rear fasteners (re-install with new fasteners). 2007 Buell Lightning: Drive/Transmission 6-27...
  • Page 465 No tools are required for this operation. 8621 8636 Figure 6-53. Separating Crankcase Halves Figure 6-54. Removing Flywheels from Left Case Half 16. See Figure 6-53. Separate crankcase halves. 17. See Figure 6-54. Remove the flywheel assembly from left crankcase half. 6-28 2007 Buell Lightning: Drive/Transmission...
  • Page 466: Transmission Disassembly

    11495 Figure 6-56. Slots For Removing Shifter Fork Shafts 11349 Mainshaft Left Right Shifter drum Shifter fork (3) Mainshaft Mainshaft 2nd gear Countershaft Figure 6-57. Transmission Assembly Countershaft Figure 6-55. Shifter Forks, Drum and Shafts 2007 Buell Lightning: Drive/Transmission 6-29...
  • Page 467 Pin, shifter stop 21. Bolt, shift lever 10. Spring, shifter return 22. Pad, rubber, shift lever 11. Spring, extension 23. Linkage assembly, shifter 12. Shifter lever assembly 24. Bolt, linkage assembly Figure 6-58. Shifter Mechanism 6-30 2007 Buell Lightning: Drive/Transmission...
  • Page 468 SION REMOVER (2) (Part No. B-43895-1) to remove transmission assembly from crankcase half. Remove crankcase from press. Arbor press Transmission remover (Part No. B-43985-1) Crankcase Transmission assembly Parallel supports Figure 6-59. Removing Transmission Assembly from Left Case Half 2007 Buell Lightning: Drive/Transmission 6-31...
  • Page 469 30. Retaining ring 15. Mainshaft 2nd gear 31. Countershaft retaining screw 16. Mainshaft bearing Mainshaft 2nd and 3rd gears are integral to the shaft. Countershaft 5th gear is integral to the shaft. Figure 6-60. Transmission Assembly 6-32 2007 Buell Lightning: Drive/Transmission...
  • Page 470 Split bearing Retaining ring Mainshaft Thrust washer Mainshaft 3rd gear Mainshaft 4th gear Mainshaft 2nd gear Mainshaft 2nd and 3rd gears are integral to the shaft. Figure 6-62. Transmission Mainshaft Assembly Once Removed from Left Crankcase/Disassembly 2007 Buell Lightning: Drive/Transmission 6-33...
  • Page 471 Thrust washer 12. Countershaft 3rd gear 19. Spacer Retaining ring 13. Thrust washer Dog ring 14. Retaining ring Countershaft 5th gear is integral to the shaft. Figure 6-63. Transmission Countershaft Assembly Once Removed from Left Crankcase/Disassembly 6-34 2007 Buell Lightning: Drive/Transmission...
  • Page 472: Transmission Assembly

    Left Crankcase Mainshaft 1st gear Split bearing Retaining ring Mainshaft Thrust washer Mainshaft 3rd gear Mainshaft 4th gear Mainshaft 2nd gear Mainshaft 2nd and 3rd gears are integral to the shaft. Figure 6-64. Transmission Mainshaft Assembly/Reassembly 2007 Buell Lightning: Drive/Transmission 6-35...
  • Page 473 Thrust washer 12. Countershaft 3rd gear 19. Spacer Retaining ring 13. Thrust washer Dog ring 14. Retaining ring Countershaft 5th gear is integral to the shaft. Figure 6-65. Transmission Countershaft Assembly Once Removed from Left Crankcase/Disassembly 6-36 2007 Buell Lightning: Drive/Transmission...
  • Page 474: Main Drive Gear

    Fifth gear mainshaft Bearing (Outer) O-ring Oil seal Right crankcase half Ball bearing with spacer Retaining ring 10. Oil seal 11. Bearing, (closed end) countershaft 12. Bushing, shifter drum Figure 6-66. Transmission Assembly-Right Crankcase Half 2007 Buell Lightning: Drive/Transmission 6-37...
  • Page 475 (7) over end of bolt. Tighten nut until main drive gear is Figure 6-67. Main Drive Gear Assembly free. 8681 Figure 6-68. Bearing Remover Cross Plate Mounting (Part No. B-45847) Figure 6-69. Insert bolt (2) through cross plate (1) and 5th gear (3). 6-38 2007 Buell Lightning: Drive/Transmission...
  • Page 476 Main drive gear Figure 6-70. Removing Main Drive Gear Bearing (Typical) Inner bearing race (not visible in this photo) Bearing race puller (Part no. HD-95637-46A) Press ram Figure 6-71. Removing Inner Bearing Race From Main Drive Gear 2007 Buell Lightning: Drive/Transmission 6-39...
  • Page 477 0.315 in. (8.001 mm) from the end of the main drive gear. Press ram Needle bearing installation tool (Part No. HD-47855) Needle bearing Main drive gear Figure 6-73. Pressing Outer Needle Bearing Assembly into Main Drive Gear 6-40 2007 Buell Lightning: Drive/Transmission...
  • Page 478 AND PRIMARY CHAINCASE LUBRICANT (Part No. Cross plate (Part No. B-45847) 99851-05). 8 in. bolt (Part No. HD-35316-4A) Main drive gear bearing Bearing driver (Part No. HD-35316-8) Nice bearing Flat washer Figure 6-75. Installing Main Drive Gear Bearing 2007 Buell Lightning: Drive/Transmission 6-41...
  • Page 479 PRIMARY CHAINCASE LUBRICANT (Part No. 99851- 05). NOTE Figure 6-77. Installing Main Drive Gear (Typical) Figure 6-67. Make sure to install new o-ring (5) onto main drive gear before installing main drive gear into crank- case. 6-42 2007 Buell Lightning: Drive/Transmission...
  • Page 480 1) over ADAPTER until cupped end of installer is flat against seal. Figure 6-79. Install Main Drive Gear Seal (Typical) Figure 6-79. Place seal over pilot and position seal squarely in end of crankcase bore. 2007 Buell Lightning: Drive/Transmission 6-43...
  • Page 481 flush with outer edge of crank- case bore. NOTE It is acceptable to recess seal to about 0.030 in. (0.762 mm) below outer edge of bore. Seal will be controlled by tool. Remove nut, installer, adapter and pilot. 6-44 2007 Buell Lightning: Drive/Transmission...
  • Page 482: Transmission Right Case Bearings

    Bearing (Inner) Ball bearing with spacer Fifth gear mainshaft Retaining ring Bearing (Outer) 10. Oil seal O-ring 11. Needle bearing, (closed end) countershaft Oil seal 12. Bushing, shifter drum Figure 6-84. Transmission Assembly-Right Crankcase Half 2007 Buell Lightning: Drive/Transmission 6-45...
  • Page 483: Transmission Left Case Bearings

    If using a pressing tool larger than diam- eter of bushing, the pressing tool will bottom against crankcase when bushing is flush with top surface. 6-46 2007 Buell Lightning: Drive/Transmission...
  • Page 484: Transmission Installation

    Remove transmission assembly and left crankcase half from fixture. Re-install transmission assembly and left crankcase half in engine stand. Arbor press Guide tool (Part No. B-43985-4) Transmission assembly Transmission Remover/Installer fixture (Part No. HD-46285) Figure 6-87. Transmission Assembly in Fixture (Typical) 2007 Buell Lightning: Drive/Transmission 6-47...
  • Page 485 Figure 6-90. Installing Shift Fork Shafts NOTE Figure 6-90. Install shifter fork shafts in the left case half by lightly tapping on the end with a brass hammer until seated in bore. Countershaft Figure 6-89. Shifter Forks, Drum and Shafts 6-48 2007 Buell Lightning: Drive/Transmission...
  • Page 486 No. B-45520) until it has bottomed in right case half. Place Transmission in the 1st gear position. Lubricate main drive gear needle bearing assemblies, the mating surface of the mainshaft and countershaft with HARLEY-DAVIDSON SPECIAL PURPOSE GREASE (Part No. 99857-97). 2007 Buell Lightning: Drive/Transmission 6-49...
  • Page 487 HOME b1016x3x One Behind Shifter Mechanism Indicates Bolt Pattern Location Figure 6-94. Crankcase Fasteners 6-50 2007 Buell Lightning: Drive/Transmission...
  • Page 488: Shifter Shaft

    The shifter shaft return spring can be installed incorrectly and then assembled in the left crankcase half. Failure to install the spring properly will result in improper shifting. b0951x6x Figure 6-96. Shifter Shaft Return Spring (Incorrectly Installed) 2007 Buell Lightning: Drive/Transmission 6-51...
  • Page 489 Continue assembling engine. See appropriate sections 3.19 CRANKCASE 3.6 CYLINDER HEAD/3.7 CYLINDER AND PISTON. Install primary chain and engine sprocket, clutch assem- bly and primary cover. See 6.5 PRIMARY CHAIN. Install engine in chassis. See 3.5 ENGINE INSTALLA- TION. 6-52 2007 Buell Lightning: Drive/Transmission...
  • Page 490: Transmission Sprocket

    (2) from idler pulley bracket (4) and discard. Replace with new pulley wheel (1). NOTE The pulley wheel bearings can not be replaced separately. A new pulley wheel must be installed. Figure 6-102. Removing Transmission Sprocket Locknut (Typical) 2007 Buell Lightning: Drive/Transmission 6-53...
  • Page 491 Since this compound remains effective for about three removal/installation cycles, the original screws may be reused up to three times. After the third removal/installation cycle, replace both screws with new screws identical to the original. 6-54 2007 Buell Lightning: Drive/Transmission...
  • Page 492 Tighten rear axle (1) to 23-27 ft-lbs (31.2-36.6 Nm), back off two full turns and then retighten to 48-52 ft-lbs (65.1-70.5 Nm). 13. Tighten pinch fastener (2) on right side of swingarm to 40-45 ft-lbs (54-61 Nm). 2007 Buell Lightning: Drive/Transmission 6-55...
  • Page 493 HOME NOTES 6-56 2007 Buell Lightning: Drive/Transmission...
  • Page 494 Table Of Contents SUBJECT PAGE NO. 7.1 Specifications ..........7.2 Ignition System .
  • Page 496: Specifications

    Headlights Position lamp 0.37 53436-97 (European models only) Tail/Stop Lamp 5/21 0.42/1.75 68169-90A Turn signal lamp (front and rear 10.0 0.74 Y0042.K Marker lamps 1 bulb each) License plate illumination lamp 0.37 53436-97 (European models only) 2007 Buell Lightning: Electrical...
  • Page 497 2.8-3.2 Nm page 7-50 Turn signal fasteners (front) 25-28 in-lbs 2.8-3.2 Nm page 7-50 Turn signal flasher fastener 12-36 in-lbs 1.3-4 Nm page 7-51 Voltage regulator mounting 60-72 in-lbs 6.7-8.1 Nm Use new fasteners, page 7-32 screws 2007 Buell Lightning: Electrical...
  • Page 498: Ignition System

    As See Section 4 Fuel System for troubleshooting information. the vehicle warms up to operating temperature the fuel mix- ture will lean and the spark advance will decrease. 2007 Buell Lightning: Electrical...
  • Page 499 10. Rear spark plug cable 11. Mounting fastener 12. Ignition coil 13. Front spark plug cable 14. Engine mount 15. Seal 16. Trigger rotor 17. Trigger rotor bolt 18. Cam position sensor 19. Inner cover b1164b4x Figure 7-1. Ignition Components 2007 Buell Lightning: Electrical...
  • Page 500: Ignition/Headlight Key Switch

    Front and rear turn signals Can be activated 8886 Cannot be Horn Can be activated activated ON position OFF position PUSH DETENT LOCK position PARKING LIGHT position Left headlamp module Figure 7-2. Ignition/Headlight Key Switch 2007 Buell Lightning: Electrical...
  • Page 501 Main harness Left handlebar connector [24] Horn fastener Right handlebar connector [22] (Behind No. #1) 10. Horn mount Turn signal connectors [31] 11. Horn connector [122] Ignition switch 12. Horn Figure 7-3. Electrical Connectors Behind Windscreen 2007 Buell Lightning: Electrical...
  • Page 502 8899 8904 8902 Socket head fastener (1), with spacer behind switch Tamper-resistant Torx fasteners (2) Throttle cables Ignition switch as positioned on vehicle Fork stop pin (retracted) Figure 7-4. Ignition Switch (Typical) 2007 Buell Lightning: Electrical...
  • Page 503 Main harness Left handlebar connector [24] Horn fastener Right handlebar connector [22] (Behind No. #1) 10. Horn mount Turn signal connectors [31] 11. Horn connector [122] Ignition switch 12. Horn Figure 7-6. Electrical Connectors Behind Windscreen 2007 Buell Lightning: Electrical...
  • Page 504 While riding, a loose seat can shift causing loss of control, which could result in death or serious injury. (00070a) 10. Install seat. See 2.44 SEAT. 11. Install windscreen and tighten fasteners to 10-12 in-lbs (1.1-1.4 Nm). 2007 Buell Lightning: Electrical...
  • Page 505: Spark Plug Cables

    Remove air cleaner assembly. See 4.44 AIR CLEANER ASSEMBLY. Remove air scoop left side. Figure 7-8. Disconnect spark plug cables from igni- tion coil and spark plug terminals. Inspect cables for damage. 7-10 2007 Buell Lightning: Electrical...
  • Page 506 Install air cleaner assembly. See 4.44 AIR CLEANER ASSEMBLY. Figure 7-10. Boot Gap Should Not exceed 1/8 in. (3.2 mm) Install left air scoop. See 2.39 AIR SCOOPS. 2007 Buell Lightning: Electrical 7-11...
  • Page 507: Starter Interlock

    Place vehicle in neutral. Clutch lever not disengaged. Pull in clutch lever. Starter relay problems. Listen for starter relay “click”. If click is not heard, perform starter relay tests. Follow starter troubleshooting in Section 5. 7-12 2007 Buell Lightning: Electrical...
  • Page 508 Figure 7-11. Diode Polarity b1107c7x RELAY CENTER [95A] [95B] TN/LTGN Clutch Switch Empty Acces. Diode Diode Bk/Hn/Mflr Battery TN/Y Lights Spare [131B] Spare Key Sw [131A] TN/LTGN Neutral Start Switch Relay Figure 7-13. Diode Wiring 2007 Buell Lightning: Electrical 7-13...
  • Page 509 Diode OK? Check for ground at neutral switch terminal. Ground present? Repair open on TN/Y Diode installed backwards. Replace Replace neutral wire between neutral Reverse polarity. diode. switch. switch and Diode. 5064 5061 5062 5063 7-14 2007 Buell Lightning: Electrical...
  • Page 510 Check for ground on BK Repair open on TN/ wire of connector [95]. LTGN wire between Ground present? connector [95] and starter relay. 5073 Replace clutch Repair open on switch. BK wire between connector [95] and 5074 ground. 5075 2007 Buell Lightning: Electrical 7-15...
  • Page 511 0 ohms or little resistance. Replace the assembly with a new switch if necessary. 2.26 CLUTCH CONTROL/CABLE. Clutch engaged (switch open) Tighten fasteners to 7-10 in-lbs (0.8-1.12 Nm). Clutch disengaged (switch closed) Connector [95] Figure 7-14. Clutch Switch 7-16 2007 Buell Lightning: Electrical...
  • Page 512 The 30 Amp battery fuse is located under the rider’s seat. See 7.23 BATTERY FUSE AND FUSES for more infor- mation. Figure 7-16. Relay Block (XB12Ss) b0755x5x Ohmmeter Battery Figure 7-17. Starter Relay Test 2007 Buell Lightning: Electrical 7-17...
  • Page 513 Replace the diode by pulling it straight out. Ensure it is installed in the correct direction. Figure 7-18. Fuse Block (contains diode) 12154 Figure 7-19. Fuse Block (XB12Ss) (contains diode) b1166x4x Empty Diode Acces. Bk/Hn/Mflr Battery Lights Spare Spare Key Sw Figure 7-20. Fuse Blocks 7-18 2007 Buell Lightning: Electrical...
  • Page 514: Interactive Exhaust System (Xb12 Models)

    Butterfly valve Exhaust in Valve open (exhaust flow - chamber C) Valve closed (exhaust flow - chamber A to B to C) Chamber A Chamber B Chamber C Exhaust exit Figure 7-21. Interactive Exhaust System Muffler 2007 Buell Lightning: Electrical 7-19...
  • Page 515 12. Breather hoses, front and rear Interactive exhaust cable 13. Grommet Cover, air cleaner 14. Activator cover Figure 7-22. Air Cleaner Assembly (XB12 Models) with Interactive Exhaust Components (XB12 Models with Translucid Intake Covers Only) 7-20 2007 Buell Lightning: Electrical...
  • Page 516 13. Remove muffler. See 2.32 EXHAUST SYSTEM. 14. Loosen jam nut and remove interactive exhaust cable from bracket on muffler. 15. Remove interactive exhaust cable from cable wheel on muffler. 2007 Buell Lightning: Electrical 7-21...
  • Page 517 Install cable strap securing actuator cable and main har- ness to oil return line. Install front sprocket cover. See 2.34 SPROCKET COVER. 10. Install chin fairing. See 2.37 CHIN FAIRING. 7-22 2007 Buell Lightning: Electrical...
  • Page 518: Charging System

    Wiring Check for corroded or loose connections in the charging cir- cuit. See Figure 7-27. Voltage Regulator Inspection Figure 7-26. Stator Connector [46] Figure 7-26. The plug connector to stator must be clean and tight. 2007 Buell Lightning: Electrical 7-23...
  • Page 519 STOP 5310 Go to Test 7.7 (Part 2 of 2). NOTE Whenever a charging system component fails a test and is replaced, re-test the system to be sure the problem has been corrected. 7-24 2007 Buell Lightning: Electrical...
  • Page 520 System Damaged or Replace Replace slipping rotor. stator. rotor. 5319 5314 5319 NOTE Whenever a charging system component fails a test and is replaced, re-test the system to be sure the problem has been corrected. 2007 Buell Lightning: Electrical 7-25...
  • Page 521 HOME bs0021axa Battery Cable Starter Solenoid [128A] Battery Starter Motor [GRD2] Battery Fuse Fuse/Relay Assembly Battery, 30A [61B] To Voltage Regulator [77A] [77B] Voltage Regulator Stator H-D 3-Phase [46B] [46A] Figure 7-27. Charging System Circuit 7-26 2007 Buell Lightning: Electrical...
  • Page 522 Reconnect regulator after testing. SPROCKET COVER WIRING. Start the motorcycle and run the engine at 3000 RPM. With ignition and all continuously running lights and accessories turned on (headlight on high beam), read the total current draw. 2007 Buell Lightning: Electrical 7-27...
  • Page 523 If the resistance is lower, the stator is damaged and must be replaced. NOTE Verify that meter reads 0 ohms when probes are shorted together. If not, subtract lowest value to resistance value of stator. 7-28 2007 Buell Lightning: Electrical...
  • Page 524 If output is good, charging problem might be faulty regulator/rectifier. Replace as required. Check the output again as described under CURRENT AND VOLTAGE OUTPUT TEST page 7-28. b0997x7x Figure 7-32. Check for Stator Resistance b0998x7x Figure 7-33. Check Stator AC Voltage Output 2007 Buell Lightning: Electrical 7-29...
  • Page 525: Alternator

    Remove stator wiring grommet (3) from left crankcase half. Withdraw stator wiring (4) from grommet hole in left crankcase half. Remove stator. Stator fastener (4) Stator Grommet Stator wiring Connector [46] Figure 7-36. Stator Assembly 7-30 2007 Buell Lightning: Electrical...
  • Page 526 Install connector (5) [46] onto the stator wiring (4) using cavities 1, 2, 3 of connector (5) [446]. See DEUTSCH ELECTRICAL CONNECTORS for addi- tional information. NOTE 7.26 SPROCKET COVER WIRING for remaining wire routing information. 2007 Buell Lightning: Electrical 7-31...
  • Page 527: Voltage Regulator

    Stator connector [46] or serious injury. (00070a) Voltage regulator connector [77] Install seat. See 2.44 SEAT. Voltage regulator mount bracket Voltage regulator Test charging system. See 7.7 CHARGING SYSTEM. Fastener (3) Figure 7-39. Voltage Regulator 7-32 2007 Buell Lightning: Electrical...
  • Page 528: Battery Cables

    (00068a) CAUTION Connect the cables to the correct battery terminals. Fail- ure to do so could result in damage to the motorcycle electrical system. (00215a) 2007 Buell Lightning: Electrical 7-33...
  • Page 529 60-85 in-lbs (7-10 Nm). Figure 7-42. Attach negative cable and the actuator ground cable to frame. Tighten to 48-72 in- lbs (5.4-8.1 Nm). Apply light coat of petroleum jelly or corrosion-retardant material to both battery terminals. 7-34 2007 Buell Lightning: Electrical...
  • Page 530: Battery

    HOME BATTERY 7.11 GENERAL f1730x8x All Buell batteries are permanently sealed, maintenance-free, valve-regulated, lead/calcium and sulfuric acid batteries. The batteries are shipped pre-charged and ready to be put into service. Do not attempt to open these batteries for any reason.
  • Page 531: Battery Testing

    After dis- connecting the battery cables from the battery, retest the 12.7 100% battery using the out-of-vehicle test before replacing. 12.6 12.3 12.0 x0661x3x 11.8 Figure 7-46. Battery Test Results–Printout 7-36 2007 Buell Lightning: Electrical...
  • Page 532: Disconnection And Removal

    Voltage reading after 15 seconds should battery has been frozen, overheated or overcharged. be 9.6V or more at 70° F. (21° C). Inspect the battery case for cracks or leaks. 2007 Buell Lightning: Electrical 7-37...
  • Page 533: Safety Precautions

    Perform a voltmeter test to determine the state of charge. BATTERY TESTING. If battery needs to be charged, proceed to step 2. CAUTION Remove battery from motorcycle before charging. Elec- trolyte leakage will damage motorcycle parts. (00213a) 7-38 2007 Buell Lightning: Electrical...
  • Page 534 If a constant current charger is the only type available, do not exceed the charge times listed above and do not continue charging the battery if it gets hot. When charging, never exceed 15 volts for more than 30 minutes. 2007 Buell Lightning: Electrical 7-39...
  • Page 535 After installing seat, pull upward on front of seat to be sure it is in locked position. While riding, a loose seat can shift causing loss of control, which could result in death or serious injury. (00070a) Install seat. See 2.44 SEAT. 7-40 2007 Buell Lightning: Electrical...
  • Page 536 (not freezing), dry place. See Fig- ure 7-50. Charge the battery every month if stored at temperatures below 60˚ F (16˚ C). Charge the battery more frequently if stored in a warm area above 60˚ F (16˚ C). 2007 Buell Lightning: Electrical 7-41...
  • Page 537: Headlight

    8917 Headlight Bulb holder (2) High beam connection [38] (left side) with ground Low beam connection [38] (right side) with ground Headlight bulbs Figure 7-51. Headlight Assembly/Rear View 7-42 2007 Buell Lightning: Electrical...
  • Page 538 Not using the specified bulb may cause charging system prob- Be sure that all lights and switches operate properly lems. before operating motorcycle. Low visibility of rider can result in death or serious injury. (00316a) 2007 Buell Lightning: Electrical 7-43...
  • Page 539 After installing seat, pull upward on front of seat to be sure it is in locked position. While riding, a loose seat can shift causing loss of control, which could result in death or serious injury. (00070a) 11. Align headlight. See 1.18 HEADLIGHTS. 7-44 2007 Buell Lightning: Electrical...
  • Page 540 HOME 10525 10526 Figure 7-53. Headlight Housing 20 Degree Alignment Marks for Rubber Boot Wiring Harness Guides or Spigots 2007 Buell Lightning: Electrical 7-45...
  • Page 541: Tail Lamp

    Low visibility of rider can result in death or serious injury. (00316a) b1139x7x Center tail section Screws (2) Bulb Lens Tail lamp Tail lamp wiring harness Tail lamp boot Figure 7-54. Tail Lamp Assembly 7-46 2007 Buell Lightning: Electrical...
  • Page 542: License Plate Lamp Assembly

    (00070a) Install seat. See 2.44 SEAT. Jam nuts with washers (2) Center tail section Screws (2) Lamp lens License plate lamp Figure 7-56. License Plate Lamp 2007 Buell Lightning: Electrical 7-47...
  • Page 543: Turn Signals

    Pull bullet connectors and wiring through hole in front module (3) and remove turn signal (1). Turn signal (2) b1141x7x Jam nut and lockwasher (2) Front module, left and right Windscreen Figure 7-58. Front Turn Signals 7-48 2007 Buell Lightning: Electrical...
  • Page 544 [18A] [18A] Right turn signal Figure 7-59. Rear Turn Signal Connections b1261x7x Turn signal (2) Jam nut and lockwasher (2) Turn signal bulb Center tail section Reflector bracket Bungee hooks Figure 7-60. Rear Turn Signals 2007 Buell Lightning: Electrical 7-49...
  • Page 545 After installing seat, pull upward on front of seat to be sure it is in locked position. While riding, a loose seat can shift causing loss of control, which could result in death or serious injury. (00070a) Install seat. See 2.44 SEAT. 7-50 2007 Buell Lightning: Electrical...
  • Page 546: Turn Signal Flasher

    Right turn signal Activate right turn signals using switch on left han- dlebar. Front and rear right turn signals must flash. Figure 7-64. Turn Signal Controls Turn ignition key switch to OFF. Install windscreen. See 2.43 WINDSCREEN. 2007 Buell Lightning: Electrical 7-51...
  • Page 547: Handlebar Switches

    To headlamp Light power High beam Horn Y/BK Y/BK From flasher BE/W V/BN Left turn Right turn Horn power To interlock circuit TN/LTGN To ground [95B] [95A] Clutch Switch Figure 7-66. Left Handlebar Switch Connection 7-52 2007 Buell Lightning: Electrical...
  • Page 548 Turn ignition key switch to ON. Set ENGINE STOP SWITCH to RUN. Figure 7-67. Right Handlebar Switch Connection Start motorcycle. Turn ignition key switch to OFF. Turn ignition key switch to OFF. Install windscreen. See 2.43 WINDSCREEN. 2007 Buell Lightning: Electrical 7-53...
  • Page 549 Headlight should flash HIGH beam for as long as the switch is pressed. Check left and right turn signals. Activate horn by pressing horn switch. Figure 7-68. Left Handlebar Switch Connection Install windscreen. See 2.43 WINDSCREEN. 7-54 2007 Buell Lightning: Electrical...
  • Page 550: Speedometer Sensor

    Center To battery Top View Vehicle Speed Sensor Connector Vehicle Speed [39A] [39B] Sensor Instrument Module BK/W [65A] [65B] [10B] [11B] Connector Connector Electronic Control Module [10A] [11B] (ECM) Figure 7-70. Vehicle Speed Sensor Wiring 2007 Buell Lightning: Electrical 7-55...
  • Page 551: Instrument Module

    Remove the nine fasteners securing the back of the module housing to the display and remove back cover. NOTE Do not turn display over. Speedometer and tachometer will fall out possibly causing damage to instruments. 7-56 2007 Buell Lightning: Electrical...
  • Page 552 (00070a) Install seat. See 2.44 SEAT. 12155a Front support module, left and right Instrument module Grommet (3) Washer (2) Fastener (3) Instrument module connector [39] Figure 7-75. Instrument Module Figure 7-74. Instrument Module Connector [39] 2007 Buell Lightning: Electrical 7-57...
  • Page 553: Speedometer Performance Check

    CLEAR to cancel and enter the new fre- ENG, AUS, EUR, quency. Press ENTER to begin and reverify. 60 KPH CAN, JPN 80 KPH 1320 NOTE The speedometer should be accurate within 0-5 MPH (0-8 100 KPH 1650 KPH). 7-58 2007 Buell Lightning: Electrical...
  • Page 554 If testing CEN range, press 4 or 6. suspect. Install a known, good vehicle speed sensor If testing HI range, press 7 or 9. and test again. b0779x7x Deutsch socket housing (2) Deutsch pin housing Figure 7-78. Test Harness 2007 Buell Lightning: Electrical 7-59...
  • Page 555 Are correct 6020 numbers displayed? Replace instrument module. Press reset for 5 sec- onds. Does trip odome- 6020 ter reset to zero? STOP Replace instrument module. 6020 Go to Speedometer Test: Chart 7-60 2007 Buell Lightning: Electrical...
  • Page 556 Go to If necessary, remove vehicle speed sensor Speedometer Test: and check for accumulation of debris. If Chart debris is not present, replace sensor. If debris is present, clean sensor and repeat test. Replace if necessary. 2007 Buell Lightning: Electrical 7-61...
  • Page 557 Does voltage fluctuate? instrument module. Replace vehicle speed sensor. 6022 6010 Check speedometer speed Repair as necessary. sensor. Clean or replace sen- sor as required. Retest. 6008 Problem solved? System OK. Replace instrument module. 6029 6024 7-62 2007 Buell Lightning: Electrical...
  • Page 558: Horn

    While riding, a loose seat can [95A] [95B] shift causing loss of control, which could result in death Clutch Switch or serious injury. (00070a) Install seat. See 2.44 SEAT. [122A] [122B] Horn Left Handlebar Switch Figure 7-80. Horn Wiring 2007 Buell Lightning: Electrical 7-63...
  • Page 559 If horn is faulty, replace unit as an assembly. The horn is not repairable. If battery voltage is not present, either horn switch or wiring to horn is faulty. If horn switch is faulty, replace left handlebar switch. See 7.17 HANDLE- SWITCHES. 7-64 2007 Buell Lightning: Electrical...
  • Page 560: Neutral Indicator Switch

    (2) threads. Install washer (3) over neutral indicator switch (2) threads. Install switch in crankcase. Tighten switch to 60-84 in-lbs (6.7-9.4 Nm). Connect wire lead (1) to switch. Install sprocket cover. See 2.34 SPROCKET COVER. 2007 Buell Lightning: Electrical 7-65...
  • Page 561 HOME BATTERY FUSE AND FUSES 7.23 GENERAL b1166x4xx Buell motorcycles feature two components which protect the electrical system. Fuses Empty The covered fuse block is under the seat. Diode Acces. Figure 7-84. The lights, key switch and ignition fuses are rated at 15 amps.
  • Page 562: Main Wire Harness

    [165B], (under main wiring harness) (1200 models only) 10. Remove fuse block and relay center from support bracket. 11. Remove the rear shock absorber assembly and reser- voir. See 2.23 REAR SHOCK ABSORBER. 12. Remove fan. See 4.38 COOLING FAN. 2007 Buell Lightning: Electrical 7-67...
  • Page 563 13. Tail light connectors [93] Ground terminals (low voltage ground wires) 14. Interactive exhaust connector [165B], (1200 models ECM connectors [10] & [11] only) Fuse block and relay center Figure 7-87. Main Harness and Electrical Connectors Under Seat (Typical) 7-68 2007 Buell Lightning: Electrical...
  • Page 564 Fuse block and relay center Battery positive cable BAS (bank angle sensor) connector [134] Rear brake light switch connector [121] 10. Interactive exhaust connector [164] Figure 7-88. Main Harness and Electrical Connectors Under Seat (XB12Ss) 2007 Buell Lightning: Electrical 7-69...
  • Page 565 19. Remove connector from oil pressure switch [120]. Oil ance between the trunk pan and tire. pressure switch is located on front of engine. See 3.12 OIL PRESSURE INDICATOR SWITCH. 24. Remove all tree fasteners. 7-70 2007 Buell Lightning: Electrical...
  • Page 566 (3), sprocket cover wiring (4) and transmission vent hose (2) through corner mounting strap and guide (1) at rear of frame. Install new plastic tree fasteners. Figure 7-90. Wire Harness Clip 2007 Buell Lightning: Electrical 7-71...
  • Page 567 12. Install and connect ignition coil. Wire harness ground [GRD 2]. 13. Install connector on oil pressure switch [120]. See 3.12 21. Install starter side of positive battery cable and starter OIL PRESSURE INDICATOR SWITCH. solenoid connector [128] to starter. 7-72 2007 Buell Lightning: Electrical...
  • Page 568 12. License plate lamp connector [45] Ground terminals (low voltage ground wires) 13. Tail light connectors [93] ECM connectors [10] [11] & [164] (1200 models only) Figure 7-93. Main Harness and Electrical Connectors Under Seat (Typical) 2007 Buell Lightning: Electrical 7-73...
  • Page 569 24. Install positive battery cable (red) to positive terminal of battery. Tighten to 72-96 in-lbs (8-11 Nm). 25. Connect negative battery cable. Tighten to 72-96 in-lbs (8-11 Nm). 26. Verify operation of all electrical components. 27. Install windscreen. See 2.43 WINDSCREEN. 7-74 2007 Buell Lightning: Electrical...
  • Page 570: Interactive Exhaust Harness (Xb12 Models)

    Negative battery cable Battery and actuator ground Active muffler connector [164] Figure 7-95. Harness and Cable Routing (XB12 Models) 12049 Interactive exhaust cable Actuator connector [161B] Interactive exhaust cable wheel Figure 7-96. Exhaust Actuator (XB12 Models) 2007 Buell Lightning: Electrical 7-75...
  • Page 571 After installing seat, pull upward on front of seat to be sure it is in locked position. While riding, a loose seat can shift causing loss of control, which could result in death or serious injury. (00070a) Install seat. 7-76 2007 Buell Lightning: Electrical...
  • Page 572: Sprocket Cover Wiring

    Neutral switch connector Cam position sensor connector [14] Sprocket cover boss Stator connector [46] Vehicle speed sensor connector [65] Oil pressure switch wiring Main harness 10. Interactive exhaust cable Figure 7-98. Sprocket Cover Wiring and Connections 2007 Buell Lightning: Electrical 7-77...
  • Page 573 (3-pin black). 11. See Figure 7-100. Using a cable strap, secure the loop of the neutral safety wire to the cam position connector (13) under the attachment clip on the connector. 7-78 2007 Buell Lightning: Electrical...
  • Page 574 13. Cable strap securing neutral connector to cam Cable wrap securing Interactive exhaust cable and position sensor connector [14] main harness to oil return line 14. Position of forward cable straps to secure wiring Figure 7-100. Sprocket Cover Wiring and Connections 2007 Buell Lightning: Electrical 7-79...
  • Page 575 Figure 7-101. Cable Strap Wire Bundle to Return Oil Line Main harness 2nd Location Cable strap securing main harness wiring to Return Oil Line, Upper Part of Sprocket Cover 12369 Figure 7-103. Correct Location for Sprocket Cover Wiring Figure 7-102. Vehicle Speed Sensor 7-80 2007 Buell Lightning: Electrical...
  • Page 576 Table Of Contents SUBJECT PAGE NO. APPENDIX A-TOOLS ..........APPENDIX B-WIRING .
  • Page 578: Appendix A-Tools

    Part No. HD-33416 Universal Driver Handle HD-28431B h33418 HD-28431-6 Fluorescent Additive 6 1-oz. bottles HD-28431-22 Fluorescent Additive 1 22-oz. container Part No. HD-28431-B Black Light Fluorescent Additive Part No. HD-33418 Universal Puller Forcing Screw (Use with HD-) 2007 Buell Lightning: Appendix A...
  • Page 579 Part No. HD34736-B Valve Spring Compressor Part No. HD-35316-C Main Drive Gear Remover/Installer and Main Drive Gear Bearing Installer h35457 h34751 Part No. HD-35457 Black Part No. HD-34751 Nylon Valve Guide Brush Light Leak Detector 2007 Buell Lightning: Appendix A...
  • Page 580 Part No. HD-35758-B Neway Valve Seat Cutter Set Part No. HD-38515-A Clutch Spring Compressor HD-38125-6 h39302 Part No. HD-38125-6 Packard Terminal Crimp Tool Part No. HD-39302 Steering Head Bearing Race Installer (Sealed) (Used with B-45521) 2007 Buell Lightning: Appendix A...
  • Page 581 Part No. HD-39965 Deutsch Terminal Crimp Tool HD-39969 h39782 Part No. HD-39969 Ultra-Torch UT-100 Part No. HD-39782-A Cylinder Head Support Stand HD39978 h39786 Part No. HD-39978 Fluke 78 Multimeter (DVOM)F Part No. HD-39786 Cylinder Head Holding Fixture 2007 Buell Lightning: Appendix A...
  • Page 582 Part No. HD-41137 Two-Way Hose Clamp Pliers h41354 HD41155-2 Part No. HD-41354 Speedometer Tester Part No. HD-41155 VHS Tape Storage Rack b41177-94 HD41404 Part No. HD-41177 Fork Tube Holder Part No. HD-41404 Harness Connector Test Kit 2007 Buell Lightning: Appendix A...
  • Page 583 Part No. B-41623-B Oil Line Remover HD41675 h41475-100 Part No. HD-41475-100 Deutsch Connector Pick Tool Part No. HD-41675 Oil Pressure Sending Unit Wrench HD41496 h42310a Part No. HD-41496 Main Drive Gear Seal Installer Part No. HD-42310 Engine Transmission Stand 2007 Buell Lightning: Appendix A...
  • Page 584 Part No. HD-42376 Battery Load Tester h42320a b42887 Part No. HD-42320-A Piston Pin Extractor Part No. B-42887 Brake Caliper Piston Remover h42322 h43646a Part No. HD-42322 Piston Support Plate Part No HD-43646-A Rolling Engine Stand 2007 Buell Lightning: Appendix A...
  • Page 585 Part No. B-43721 Front Fork Seal Driver hd44060 b-43982 Part No. HD-44060 Wheel Bearing Remover/Installer Part No. B43982 Transmission Locking Tool hd44067b hd43984 Part No. HD-44067-A Oil Filter Wrench Part No. HD-43984 Crankshaft Locking Tool 2007 Buell Lightning: Appendix A...
  • Page 586 Part No.B-45520 Gear Detente Assembly Aid b45521 h44687 Part No. B-45521 Steering Head Bearing Part No HD-44687 Ignition Coil Test Adapter Remover/Installer B-45522a HD44720a Part No. B-45522 Fuel Pressure Gauge Adapter Part No. HD-44720 TSSM Adapter Cable 2007 Buell Lightning: Appendix A...
  • Page 587 Part No. B-45524 Valve Guide Installer Part No. HD-45830 Techlink Kit HD45835a B-45525 Part No. B-45525 Valve Guide Hone Part No. HD-45835 Road Test Kit b45657 B43983 Part No. B-45657 Fuel Pump Puller Part No. B-45847 Cross Plate A-10 2007 Buell Lightning: Appendix A...
  • Page 588 Part No. B-46279 7/8" Axle Wrench (Hex) ““ HD45928 HD-46283 Part No. HD-45928 Terminal Crimper Part No. HD-46283 Primary Drive Locking Tool HD4529 HD-46285 Part No. HD-45929 Terminal Remover Part No.HD-46285 Transmission Assembly Fixture 2007 Buell Lightning: Appendix A A-11...
  • Page 589 Part No. HD-47248 Rocker Housing Wrench HD-47184 HD-47250 Part No. HD-47184 Leak Detector Flashlight Part No. HD-47250 Intake Manifold Wrench HD-47258 HD-47187 Part No. HD-47258 Rocker Cover Wrench Part No. HD-47187 Technician Pen Light A-12 2007 Buell Lightning: Appendix A...
  • Page 590 Part No. HD-48053 Advanced Battery Conductance Part No. HD-94804-57 Rocker Arm Bushing Reamer and Electrical System Analyzer HD-95635-46 J-5586A Part No. HD-95635-46 All-Purpose Claw Puller Part No. J-5586 Transmission Shaft (use with HD-95637-46A) Retaining Ring Pliers 2007 Buell Lightning: Appendix A A-13...
  • Page 591 (HD-95770-69) and 8 (HD-95771-69) are optional. 96796-47 h95952-33C Part No. HD-95952-33C Connecting Rod Clamping Tool Part No. HD-96796 Valve Spring Test Fixture h95920-32D h96921-52C Part No. HD-95970-32D Piston Pin Bushing Tool Part No. HD-96921-52B A-14 2007 Buell Lightning: Appendix A...
  • Page 592 HOME h97081a Part No. HD97097-65B Hose Clamp Pliers HD99500-80a Part No. HD-99500-80 Wheel Truing & Balancing Stand 2007 Buell Lightning: Appendix A A-15...
  • Page 593 HOME NOTES A-16 2007 Buell Lightning: Appendix A...
  • Page 594: Amp Multilock Electrical Connectors

    Pin terminal Secondary lock open Pin housing Socket housing Latch Latch Secondary lock open Button Latch Secondary lock open Socket terminal Figure B-1. 10-Place Amp Multilock Connector 2007 Buell Lightning: Appendix B...
  • Page 595 Figure B-3. Multilock Connector Cutaway View engage latches on both sides of connector. Insert the socket housing (plug) into the pin housing (receptacle) until it snaps in place. Install connector on retaining device, either attachment or rosebud clip. 2007 Buell Lightning: Appendix B...
  • Page 596 Pin terminal Socket housing Button Pin housing Secondary lock Pin terminal Secondary lock Socket terminal Latch Button Pin housing Latch Socket housing Secondary lock Socket terminal d0245x2x Figure B-4. 3-Place and 6-Place Amp Multilock Connectors 2007 Buell Lightning: Appendix B...
  • Page 597 Release contacts locking bar. locking bar GAUGE CRIMP TOOL WIRE NEST Front Middle Rear Close and squeeze crimp tool. Raise locking bar and remove contact. d0246x8x Figure B-5. Amp Multilock Crimping Procedure 2007 Buell Lightning: Appendix B...
  • Page 598: Deutsch Electrical Connectors

    “clicks” in place. Verify that socket will not rear wire seal. back out of chamber; a slight tug on the wire will confirm that it is properly locked in place. 2007 Buell Lightning: Appendix B...
  • Page 599 (Part No. HD-41475-100). See Figure B-10. Figure B-9. Depress Terminal Latches/Back Out Pins Gently depress terminal latches inside pin housing and back out pins through holes in wire seal. 2007 Buell Lightning: Appendix B...
  • Page 600 The socket and pin halves of all other connectors are interchangeable, that is, the black may be mated with the gray, since the alignment tabs are absent and the orientation of the external latch is the same. 2007 Buell Lightning: Appendix B...
  • Page 601 When correctly positioned, the locking bar fits snugly in the space between the contact band and the core crimp tails. 2007 Buell Lightning: Appendix B...
  • Page 602 SOCKET SIDE PIN SIDE Socket terminal Locking wedge Wire seal Latch cover Socket housing Pin housing External latch 10. Wire seal Internal seal 11. Pin terminal Locking wedge Figure B-13. 2-Pin, 3-pin and 4-pin Deutsch Connectors 2007 Buell Lightning: Appendix B...
  • Page 603 MAP sensor connector [80]. d0258x8x Locate tang on latch side of chamber. Push on wire end of lead to remove terminal. Pivot end of pin to depress tang. Raise tang and re-install terminal. Figure B-14. Packard Connectors B-10 2007 Buell Lightning: Appendix B...
  • Page 604 NOTE A series of Packard Electrical Terminal Crimp Tools are avail- able to install Packard pin and socket terminals on wires. If new terminals must be installed, see Crimping Instructions. 2007 Buell Lightning: Appendix B B-11...
  • Page 605 Repeat the step if the terminal is still locked in place. NOTE A series of Packard Electrical Terminal Crimp Tools are avail- able to install Packard pin and socket terminals on wires. If new terminals must be installed, see Crimping Instructions. B-12 2007 Buell Lightning: Appendix B...
  • Page 606 11. See Figure B-16. Inspect the quality of the core (3) and insulation/seal (2) crimps. Distortion should be minimal. Insulation Insulation crimp Core crimp Figure B-16. Inspect Core and Insulation/Seal Crimps 2007 Buell Lightning: Appendix B B-13...
  • Page 607: Electrical Connectors

    HOME ELECTRICAL CONNECTORS GENERAL Connector numbers are listed in [brackets] in this manual. The following table provides a brief description of the connec- tors found on the Buell Lightning. Table B-2. Electrical Connector and Location Table CONNECTOR COMPONENT(S) DESCRIPTION LOCATION...
  • Page 608 Interactive exhaust harness to main [165] 3-place Deutsch under seat harness under air cleaner assembly baseplate [178] Active intake system to solenoid cove [179] Active intake system to ECM under seat 2007 Buell Lightning: Appendix B B-15...
  • Page 609: Appendix B-Wiring

    INDEX TO WIRING DIAGRAMS Table B-3. Wiring Diagrams DIAGRAM PAGE Main harness B-17 Engine management circuit B-19 Lighting circuit B-21 Horn and instruments circuit B-23 Starting circuit B-25 Charging circuits B-27 Component circuits B-29 B-16 2007 Buell Lightning: Appendix B...
  • Page 610 DATA LINK SPEEDOMETER BK/R LT.GN/R TN/LT.GN [91A] [39A] [77B] R/BK LH TURN SIGNAL [95B] GN/Y R/BK OIL PRESSURE SW [31B] [120B] CLUTCH SW R/BK GN/Y R/BK [120A] MALE R/BK FEMALE 2007 Lightning Models Main Harness 2007 Buell Lightning: Electrical B-17...
  • Page 611 HOME 2007 Lightning Models Main Harness 2007 Lightning Models Main Harness B-18 2007 Buell Lightning: Electrical...
  • Page 612 LT.GN/GY ASSEMBLY W/BK BK/W GN/W GN/W W/BK BK/W BK/W BANK ANGLE SENSOR [14A] [14B] GY/O GY/O [38B] DATA LINK SPEEDOMETER LT.GN/R [95B] [39A] [91A] CLUTCH SW R/BK R/BK R/BK 2007 Lightning Models Engine Management Circuit 2007 Buell Lightning: Electrical B-19...
  • Page 613 HOME 2007 Lightning Models Engine Management Circuit 2007 Lightning Models Engine Management Circuit B-20 2007 Buell Lightning: Electrical...
  • Page 614 KEY SWITCH 15 AMP [39B] 1 2 3 4 5 6 7 8 9 10 HEADLAMP FUSE/RELAY [24A] ASSEMBLY [38B] [62B] LH CONTROLS LH TURN SIGNAL SPEEDOMETER [39A] R/BK [31B] R/BK 2007 Lightning Lighting Circuit 2007 Buell Lightning: Electrical B-21...
  • Page 615 HOME 2007 Lightning Lighting Circuit 2007 Lightning Lighting Circuit B-22 2007 Buell Lightning: Electrical...
  • Page 616 1 2 3 4 5 6 7 8 9 10 [24A] 1 2 3 4 5 6 7 8 LH CONTROLS FUSE/RELAY ASSEMBLY [62B] SPEEDOMETER TN/LT.GN [39A] GN/Y [120B] OIL PRESSURE SW R/BK GN/Y [120A] 2007 Lightning Models Horn & Instruments Circuit 2007 Buell Lightning: Electrical B-23...
  • Page 617 HOME 2007 Lightning Models Horn & Instruments Circuit 2007 Lightning Models Horn & Instruments Circuit B-24 2007 Buell Lightning: Electrical...
  • Page 618 15 AMP IGNITION GY/O R/BK 15 AMP KEY SWITCH NEUTRAL SW TN/Y [131A] [131B] [62B] RELAY CENTER W/BK W/BK GY/O GY/O BK/R TN/LT.GN R/BK [95B] CLUTCH SW R/BK MALE R/BK FEMALE 2007 Lightning Models Starting Circuit 2007 Buell Lightning: Electrical B-25...
  • Page 619 HOME 2007 Lightning Models Starting Circuit 2007 Lightning Models Starting Circuit B-26 2007 Buell Lightning: Electrical...
  • Page 620 HOME bs0021xx BATTERY CABLE STARTER SOLENOID [128A] BATTERY STARTER MOTOR [GRD2] FUSE/RELAY ASSEMBLY [61B] BATTERY, 30A TO VOLTAGE REGULATOR [77B] [77A] VOLTAGE REGULATOR STATOR (HD 3-PHASE) [46A] [46B] 2007 Lightning Models Charging Circuit 2007 Buell Lightning: Electrical B-27...
  • Page 621 HOME 2007 Lightning Models Charging Circuit 2007 Lightning Models Charging Circuit B-28 2007 Buell Lightning: Electrical...
  • Page 622 [18A] [30B] [84B] [85B] ENGINE TEMP SENSOR PK/Y [90A] [90B] FUEL PUMP MAIN HARNESS BANK ANGLE SENSOR [89A] BN/Y INTAKE AIR TEMP [86B] LT.GN/GY [89B] FUEL BK/W SENSOR [134B] [134A] 2007 Lightning Models Component Circuits 2007 Buell Lightning: Electrical B-29...
  • Page 623 HOME 2007 Lightning Models Component Circuits 2007 Lightning Models Component Circuits B-30 2007 Buell Lightning: Electrical...
  • Page 624 DATA LINK SPEEDOMETER BK/R LT.GN/R TN/LT.GN [91A] [39A] [77B] R/BK LH TURN SIGNAL [95B] GN/Y R/BK OIL PRESSURE SW [31B] [120B] CLUTCH SW R/BK GN/Y R/BK [120A] MALE R/BK FEMALE 2007 Lightning Models Main Harness 2007 Buell Lightning: Electrical B-17...
  • Page 625 HOME 2007 Lightning Models Main Harness 2007 Lightning Models Main Harness B-18 2007 Buell Lightning: Electrical...
  • Page 626 LT.GN/GY ASSEMBLY W/BK BK/W GN/W GN/W W/BK BK/W BK/W BANK ANGLE SENSOR [14A] [14B] GY/O GY/O [38B] DATA LINK SPEEDOMETER LT.GN/R [95B] [39A] [91A] CLUTCH SW R/BK R/BK R/BK 2007 Lightning Models Engine Management Circuit 2007 Buell Lightning: Electrical B-19...
  • Page 627 HOME 2007 Lightning Models Engine Management Circuit 2007 Lightning Models Engine Management Circuit B-20 2007 Buell Lightning: Electrical...
  • Page 628 KEY SWITCH 15 AMP [39B] 1 2 3 4 5 6 7 8 9 10 HEADLAMP FUSE/RELAY [24A] ASSEMBLY [38B] [62B] LH CONTROLS LH TURN SIGNAL SPEEDOMETER [39A] R/BK [31B] R/BK 2007 Lightning Lighting Circuit 2007 Buell Lightning: Electrical B-21...
  • Page 629 HOME 2007 Lightning Lighting Circuit 2007 Lightning Lighting Circuit B-22 2007 Buell Lightning: Electrical...
  • Page 630 1 2 3 4 5 6 7 8 9 10 [24A] 1 2 3 4 5 6 7 8 LH CONTROLS FUSE/RELAY ASSEMBLY [62B] SPEEDOMETER TN/LT.GN [39A] GN/Y [120B] OIL PRESSURE SW R/BK GN/Y [120A] 2007 Lightning Models Horn & Instruments Circuit 2007 Buell Lightning: Electrical B-23...
  • Page 631 HOME 2007 Lightning Models Horn & Instruments Circuit 2007 Lightning Models Horn & Instruments Circuit B-24 2007 Buell Lightning: Electrical...
  • Page 632 15 AMP IGNITION GY/O R/BK 15 AMP KEY SWITCH NEUTRAL SW TN/Y [131A] [131B] [62B] RELAY CENTER W/BK W/BK GY/O GY/O BK/R TN/LT.GN R/BK [95B] CLUTCH SW R/BK MALE R/BK FEMALE 2007 Lightning Models Starting Circuit 2007 Buell Lightning: Electrical B-25...
  • Page 633 HOME 2007 Lightning Models Starting Circuit 2007 Lightning Models Starting Circuit B-26 2007 Buell Lightning: Electrical...
  • Page 634 HOME bs0021xx BATTERY CABLE STARTER SOLENOID [128A] BATTERY STARTER MOTOR [GRD2] FUSE/RELAY ASSEMBLY [61B] BATTERY, 30A TO VOLTAGE REGULATOR [77B] [77A] VOLTAGE REGULATOR STATOR (HD 3-PHASE) [46A] [46B] 2007 Lightning Models Charging Circuit 2007 Buell Lightning: Electrical B-27...
  • Page 635 HOME 2007 Lightning Models Charging Circuit 2007 Lightning Models Charging Circuit B-28 2007 Buell Lightning: Electrical...
  • Page 636 [18A] [30B] [84B] [85B] ENGINE TEMP SENSOR PK/Y [90A] [90B] FUEL PUMP MAIN HARNESS BANK ANGLE SENSOR [89A] BN/Y INTAKE AIR TEMP [86B] LT.GN/GY [89B] FUEL BK/W SENSOR [134B] [134A] 2007 Lightning Models Component Circuits 2007 Buell Lightning: Electrical B-29...
  • Page 637 HOME 2007 Lightning Models Component Circuits 2007 Lightning Models Component Circuits B-30 2007 Buell Lightning: Electrical...
  • Page 638: Appendix C-Metric Conversions

    44.45 79.37 114.30 .8268 2.126 3.425 4.724 10.160 45.72 80.96 115.89 .8661 2.165 3.464 4.764 11.112 46.04 81.28 116.84 .9055 2.205 3.504 4.803 12.700 47.62 82.55 117.47 .9449 2.244 3.543 4.842 14.288 48.26 83.82 119.06 2007 Buell Lightning: Appendix C...
  • Page 639 (Imp.) x 1.201 = pints (U.S.) liters x 2.113 = pints (U.S.) quarts (Imp.) x 1.201 = quarts (U.S.) liters x 1.057 = quarts (U.S.) gallons (Imp.) x 1.201 = gallons (U.S.) liters x 0.264 = gallons (U.S.) 2007 Buell Lightning: Appendix C...
  • Page 640: Appendix D-Hose And Wire Routing

    HOME HOSE AND WIRE ROUTING b1114xasx Figure D-1. Front and Rear Brake Systems, Right Side View...
  • Page 641 HOME b1115xbsx Figure D-2. Rear Brake Systems, Top View...
  • Page 642 HOME b1116xcsx Figure D-3. Rear Brake Systems, Left Side View...
  • Page 643 HOME b1117xasxL Carbon canister Figure D-4. Evaporative Emissions Control, California Models, Top View...
  • Page 644 HOME b1118xbsxL To induction module From fuel tank (California) From induction module (California) From fuel tank to atmosphere (49 state) Figure D-5. Evaporative Emissions Control, California and 49 State Models, Left Side View...
  • Page 645 HOME b1119xasxL To active intake solenoid (Japan only) Fuel pump Intake air temperature sensor (IAT) Active intake to ECM (Japan only) Figure D-6. Wiring Harness, Left Side View...
  • Page 646 HOME b1120xbsxL Fuel injector (2) Intake air temperature (IAT) sensor Throttle position sensor (TPS) Oxygen (O2) sensor Figure D-7. Wiring Harness, Top View...
  • Page 647 HOME b1121xcsxL Speedometer sensor Cable, starter to battery positive Solenoid Transmission vent line Voltage regulator Switch, oil pressure Cam position sensor Figure D-8. Wiring Harness, Right Side View...
  • Page 648 HOME b1122xasxL Vent line Feed oil line from the oil pump to the oil cooler Feed oil line Return oil line from the oil cooler to the oil filter housing Return oil line Figure D-9. Oil Lines, Right Side View...
  • Page 649 HOME b1123xbsxL Vent line Feed oil line Return oil line Figure D-10. Oil Lines, Bottom View...
  • Page 650 HOME b1124xasxL Exhaust valve actuator Muffler valve Figure D-11. Clutch Cable and Exhaust Valve Actuator (1200 only), Right Side View...
  • Page 651 HOME b1125xbsxL Exhaust valve actuator Cable, seat lock Muffler valve Figure D-12. Clutch, Throttle, Seat Release Cables and Exhaust Valve Actuator (1200 only), Left Side View...
  • Page 652 HOME b1126xcsxL TPS adjuster Clips into functional Cable, seat lock airbox cover. EVA mounted on top of functional airbox cover. Figure D-13. Clutch, Throttle, Seat Release Cables and Exhaust Valve Actuator, Top View...
  • Page 654: Appendix E-Active Intake System (Japan Only

    Using TEST CONNECTOR KIT (Part No. HD-41404), attach that the throttle plate is fully open. Brown pin probe and patch cord to [179] (1,2). If the throttle plate does not fully open, see CABLE ADJUST- MENT this section. 2007 Buell Lightning: Appendix E...
  • Page 655 (4) away from the solenoid bracket (3) until free- play is achieved. 10957f Solenoid shaft Solenoid bracket Cable adjusting and jam nuts Cable housing Figure E-1. Checking for Freeplay in the Solenoid Shaft in the Fully Retracted Position 2007 Buell Lightning: Appendix E...
  • Page 656 1/32 in. (0.79 mm) or greater. 10956f Solenoid shaft Solenoid bracket Cable adjusting and jam nuts Cable housing Figure E-2. Checking for Freeplay in the Solenoid Shaft in the Fully Extended Position 2007 Buell Lightning: Appendix E...
  • Page 657 Adjust stop screw, while reading the TPS on Digital 1.14 AIR CLEANER FILTER. Technician, until setting is between the range of 10.4 to 10.9. 10925 10924 Cable stop screw Active cable wheel Figure E-3. Active Intake Cable Stop Screw 2007 Buell Lightning: Appendix E...
  • Page 658 HOME Active Intake Solenoid [178A] [178B] Figure E-4. Active Intake System 2007 Buell Lightning: Appendix E...
  • Page 659 Continuity present? Go to page 2 Repair open in Page 2 of 2 W/GY wire. Repair open in GY/O wire. DIAGNOSTIC NOTE If DTC is historic, wiggle harness while performing measurements in chart to locate intermittents. 2007 Buell Lightning: Appendix E...
  • Page 660 Does solenoid attempt to pull throttle almost closed? Replace solenoid. Hold throttle wide open. Energize active intake solenoid. Does throttle close to an angle less than 11 degrees? Replace ECM. CABLE ADJUSTMENT in this section. 2007 Buell Lightning: Appendix E...
  • Page 661 Cable connector Active intake cable Fasteners (2), bracket to solenoid Cable adjusting nut Active intake solenoid Cable bracket Solenoid bracket Active cable jam nut 10. Air cleaner baseplate assembly Figure E-5. Disconnecting Active Intake System 2007 Buell Lightning: Appendix E...

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