Briggs & Stratton 130G00 Repair Manual
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Briggs & Stratton 130G00 Repair Manual

Single cylinder ohv air cooled engines
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Summary of Contents for Briggs & Stratton 130G00

  • Page 3 Foreword This manual was written to assist engine technicians and service personnel with the maintenance and repair procedures for Briggs & Stratton® engines. It assumes that persons using this manual have been properly trained and are familiar with the service procedures for these products, including the proper use of required tools and the application of appropriate safety practices.
  • Page 4 This engine repair manual includes the following engine models: • MODEL 130G00 • MODEL 131G00 • MODEL 13R200 • MODEL 13U100 • MODEL 13U200 NOTE: Some models have limited service parts. Review the Illustrated Parts List for part availability before conducting any service work.
  • Page 5 HOW TO USE THIS MANUAL Besides describing the service maintenance tasks and the intervals at which they are to be performed, two basic levels of service are presented in this manual: engine top end service and engine bottom end service. The manner in which these instructions are used depends upon the tasks to be performed and the level of disassembly required.

  • Page 7: Table Of Contents

    SECTION 1 – SAFETY AND GENERAL INFORMATION SECTION 2 – MAINTENANCE SECTION 3 – TROUBLESHOOTING/SPECIAL TOOLS SECTION 4 – REMOVE EXTERNAL ASSEMBLIES SECTION 5 – DISASSEMBLE ENGINE SECTION 6 – SERVICE ENGINE SUBASSEMBLIES SECTION 7 – ASSEMBLE ENGINE SECTION 8 – INSTALL EXTERNAL ASSEMBLIES SECTION 9 –...
  • Page 9 SECTION 1 – SAFETY AND GENERAL INFORMATION SAFETY - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4 Safety Alert Symbol and Signal Words - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4 Hazard Symbols and Meanings - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4 General Safety Messages - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4...

  • Page 10: Safety

    SAFETY This manual contains safety information that will: General Safety Messages • Make you aware of hazards associated with engines. Prior to work, read and understand the section(s) of this • Inform you of the risk of injury associated with those manual that pertain to the job.

  • Page 11: Section 2 – Maintenance

    • Do not tip engine or equipment at angle which causes fuel to spill. WARNING • Disconnect spark plug wire. Fuel and its vapors are extremely flammable and explosive When Storing Fuel or Equipment with Fuel In Tank which could cause burns, fire or explosion resulting in death or serious injury.
  • Page 12 • Disconnect the spark plug wire and keep it away from • When starting engine, pull the starter cord slowly until the spark plug. resistance is felt and then pull rapidly to avoid kickback. • Disconnect battery at negative terminal (only engines •...

  • Page 13: General Information

    GENERAL INFORMATION Engine Identification High Altitude See (A) or (B) in Figure 1 for location of engine At altitudes over 5,000 feet (1524 meters), a minimum 85 identification. octane / 85 AKI (89 RON) gasoline is acceptable. For carbureted engines, high altitude adjustment is required to remain emissions compliant.

  • Page 14: Storage

    SAE 30 - Below 40 °F (4 °C) the use of SAE 30 will result in hard starting. 10W-30 - Above 80 °F (27 °C) the use of 10W-30 may cause increased oil consumption. Check oil level more frequently. 5W-30 Synthetic 5W-30 Vanguard™...
  • Page 15 SECTION 2 – MAINTENANCE MAINTENANCE - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 10 Maintenance Schedule - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 10 Change Engine Oil/Check Engine Oil Level - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 10 Clean Muffler, Rewind Starter Finger Guard, and Controls - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11...

  • Page 16: Maintenance

    12. Install dipstick oil plug and tighten as follows. tighten as follows. Dipstick Oil Plug Oil Drain Plug Models Torque Models Torque 130G00, 131G00, 13R200 10-30 lb-in (1.1-3.4 N-m) 130G00, 131G00, 13R200 140-200 lb-in (15.8-22.6 N-m) 13U100, 13U200 18-27 lb-in (2-3 N-m) 13U100, 13U200 248-266 lb-in (28-30 N-m)

  • Page 17: Clean Muffler, Rewind Starter Finger Guard, And Controls

    Rewind Starter Screws a portable hand held vacuum. Models Torque C. Gently scrape away stubborn accumulations of dirt 130G00, 131G00, 13R200 25-35 lb-in (2.8-4 N-m) and other deposits using a plastic putty knife or stiff 13U100, 13U200 71-89 lb-in (8-10 N-m) bristle brush.

  • Page 18: Dual Element Oval Air Filter

    10. Place air filter cartridge with foam pre-cleaner onto air Dual Element Oval Air Filter cleaner base. Install wing nut, but do not over-tighten. 11. Install air cleaner cover. Install knob, but do not 1. See Figure 4. Remove knob (A) to release air cleaner over-tighten.

  • Page 19: Foam Low Mount Air Filter

    5. Apply a small amount of clean SAE 30 engine oil to 3. Gently wash foam filter in warm, soapy water. foam filter. Gently squeeze foam filter until engine oil Thoroughly rinse with clean water. Squeeze foam filter is evenly distributed. Squeeze foam filter in a clean cloth in a clean cloth until dry.

  • Page 20: Paper Air Filter

    7. Install air cleaner cover and start two hex flange screws. Muffler Stamped Guard Screws Tighten screws to 9-12 lb-in (1-1.4 N-m). Models Torque 130G00, 131G00, 13R200 80-110 lb-in (9-12.4 N-m) 13U100, 13U200 27-44 lb-in (3-5 N-m) 7. Verify that two hex nuts on muffler studs are tightened as follows.

  • Page 21: Change 6:1 Gear Reduction Oil (If Equipped)

    NOTE: Verify that vent hole (D) of oil fill/vent plug is Stamped/Wire Guard Spark Arrester Screw(s) facing outside. Models Torque 9. Dispose of used oil at a proper waste disposal or 130G00, 131G00, 13R200 71-124 lb-in (8-14 N-m) recycling center. 13U100, 13U200 27-44 lb-in (3-5 N-m) Clean/Gap/Replace Spark Plug NOTE: Spark arrester is installed in either the 9 o'clock or the optional 6 o'clock position.

  • Page 22: Clean/Replace In-Tank Fuel Filter

    17. Install fuel filter fitting into fuel tank. Tighten fitting as follows. Fuel Filter Fitting Models Torque 130G00, 131G00, 13R200 60-70 lb-in (6.8-7.9 N-m) 13U100, 13U200 62-71 lb-in (7-8 N-m) 18. Inspect hose for cuts, nicks, cracks, or general deterioration. Replace hose if necessary.

  • Page 23: Clean Carburetor Sediment Bowl

    22. Install hose with clamp onto fuel filter fitting. Squeeze tangs and move hose clamp about 1/8 inch (3 mm) from end of hose with tangs pointing upward for best access. 23. Start three hex flange screws to fasten control panel trim to fuel tank.

  • Page 24: Check/Adjust Valve Clearance

    5. Install three hex flange screws to fasten cylinder heat shield to crankcase and cylinder head. Cylinder Heat Shield Screws Models Torque 130G00, 131G00, 13R200 40-60 lb-in (4.5-6.8 N-m) 13U100, 13U200 71-124 lb-in (8-14 N-m) NOTE: Hex flange screw to engine base captures both heat shield and blower housing.
  • Page 25 Verify that intake valve clearance is as follows. If adjustment is necessary, see step 7. Models Intake Valve Clearance 130G00, 131G00, 13R200 0.004-0.006 in (0.10-0.15 mm) 13U100, 13U200 0.005-0.007 in (0.13-0.18 mm) 9. Remove old gasket material from valve cover and cylinder head flanges.
  • Page 27 SECTION 3 – TROUBLESHOOTING/SPECIAL TOOLS TROUBLESHOOTING - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 22 Check Ignition - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 22 Check Carburetion - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 23 Check Compression - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 23...

  • Page 28: Troubleshooting

    TROUBLESHOOTING General Complaints Check Ignition Most complaints concerning engine operation include one 1. Move to step 2 if engine does not start. If engine runs, or more of the following: but misses, move to step 9. • Will not start •...

  • Page 29: Check Carburetion

    • Plugged air cleaner • Fouled spark plug WARNING 6. A dry spark plug may indicate: Be sure there is no fuel or fuel vapors present which, if spark ignited, can cause a fire or explosion resulting • Leaking carburetor or intake manifold gaskets in death or serious injury.

  • Page 30: Check Low Oil Sensor System

    Check Low Oil Sensor System Engine Does Not Start 1. Verify that engine oil level is within the cross hatch pattern on the dipstick. 2. See Figure 17. If engine oil level is satisfactory, disconnect one-place wire connector between oil sensor module and oil sensor in crankcase (A).

  • Page 31: Special Tools

    SPECIAL TOOLS 10. Master Seat Cutter Kit (Part No. 19547) 1. Piston Ring Compressor (Part No. 19070) 11. Spark Plug Wrench (Part No. 19576S) 2. Valve Lapping Tool (Part No. 19258) 12. Digital Tachometer/Hour Meter (Part No. 19598) 3. Piston Ring Expander (Part No. 19340) 13.

  • Page 33: Section 4 – Remove External Assemblies

    SECTION 4 – REMOVE EXTERNAL ASSEMBLIES REMOVE EXTERNAL ASSEMBLIES - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 28 Preliminary Instructions - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 28 Air Cleaner - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 28 Dual Element Oval Air Filter - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 28...

  • Page 34: Remove External Assemblies

    REMOVE EXTERNAL ASSEMBLIES 3. Remove seal washer (F) from air cleaner base (G). Preliminary Instructions 4. Remove plastic knob from throttle control lever. 5. If equipped, remove hex flange screw to release high 1. Start and run engine until fuel tank is empty. oil fill tube flange from control panel trim.

  • Page 35: Foam Low Mount Air Filter

    4. Remove bath bowl from air cleaner base (H). Empty used oil in bath bowl into an approved container. 5. Remove seal washer (I) from air cleaner base. 6. Remove plastic knob from throttle control lever. 7. If equipped, remove hex flange screw to release high oil fill tube flange from control panel trim.

  • Page 36: Starter Motor (If Equipped)

    Starter Motor (If Equipped) 1. See Figure 26. Remove hex nut , lock washer, and flat washer (A) from starter solenoid post. 2. Remove orange key switch wire ring terminal (B) from starter solenoid post. 3. If stator wires terminate in a ring terminal, move to step 4.

  • Page 37: Fuel Tank

    NOTE: Exercise care to avoid dropping screw between Fuel Tank engine and blower housing. A dropped screw may be caught by the flywheel magnet where further 1. See Figure 28. Remove two hex flange nuts (A) from disassembly would be required to retrieve it. fuel tank studs.

  • Page 38: Governor Bracket/Lever

    NOTE: Do not remove spring clip from governor crank Governor Bracket/Lever or it will drop into crankcase. 4. Slowly slide carburetor down mounting studs until 1. See Figure 29. Remove outside hex flange screw (A) governor link (G) is inline with slot in throttle lever. to release governor bracket (B) from crankcase.

  • Page 39: Carburetor

    Carburetor Muffler 1. See Figure 30. Remove carburetor gasket (A) and 1. See Figure 31. Remove two hex nuts (A) with lock carburetor (B) from carburetor mounting studs. Discard washers (B) to release muffler (C) from studs. carburetor gasket. 2. Remove and discard gasket (D). 2.

  • Page 40: Blower Housing

    3. If equipped with rocker stop switch (D), pull blower housing away from crankcase just far enough to access stop switch spade terminals and proceed as follows: A. See Figure 34. Disconnect socket of red wire ring terminal (stop switch ground) from terminal 1. B.

  • Page 41: Armature

    2. Disconnect one-place wire connector (B) between oil sensor module and either armature or rocker stop switch Gear Reduction Unit (If Equipped) spade contact. 6:1 Gear Reduction Unit 3. Remove hex flange screw (C) to release oil sensor module bracket from flywheel guard. 1.

  • Page 42: 2:1 Gear Reduction Unit

    5. Remove O-ring seal from gear case. Discard O-ring seal. 6. Note orientation of gear case before removal. NOTE: Gear case is installed in the 3 o'clock, 9 o'clock, or 12 o'clock positions. 7. Remove four hex flange screws (G) to release gear case from crankcase cover.

  • Page 43: Section 5 – Disassemble Engine

    SECTION 5 – DISASSEMBLE ENGINE TOP END DISASSEMBLY - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 38 BOTTOM END DISASSEMBLY - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 40...
  • Page 44 TOP END DISASSEMBLY...

  • Page 45: Section 6 – Service Engine Subassemblies

    1. See SECTION 4 - REMOVE EXTERNAL ASSEMBLIES. A. While rotating flywheel end of crankshaft by hand in the direction of engine rotation, watch the rocker 2. See Figure 41. Remove two hex flange screws (A) to arms to determine the action of the valves. After release heat shield (B) from crankcase and cylinder the exhaust valve closes, the intake valve begins head.
  • Page 46 BOTTOM END DISASSEMBLY 1. See TOP END DISASSEMBLY in this section. 2. See Figure 43. Obtain Strap Wrench (Part No. 19433), 21 mm socket, and breaker bar. Proceed as follows: NOTE: DO NOT use an air impact wrench to loosen flywheel nut or thread damage may occur.
  • Page 47 A. Obtain standard 8 inch claw-type gear puller as shown in Figure 44. B. Install flywheel nut, so that it is flush with end of crankshaft. C. To avoid breaking or chipping flywheel magnet, rotate flywheel until magnet is at the 12 o'clock position.
  • Page 48 12. Remove six hex flange screws to release crankcase cover. NOTE: See Figure 47. If crankcase cover sticks, use a soft hammer to lightly tap area adjacent to two locating pins. 13. Remove and discard crankcase cover gasket. 14. Remove locating pins from crankcase and set aside. 15.
  • Page 49 22. Remove connecting rod and piston assembly from cylinder bore. 23. Remove crankshaft from crankcase. 24. See the following topics under SECTION 6 - SERVICE ENGINE SUBASSEMBLIES: • PISTON AND CONNECTING ROD • FLYWHEEL, CRANKSHAFT AND CAMSHAFT • CRANKCASE AND CRANKCASE COVER.
  • Page 51 SECTION 6 – SERVICE ENGINE SUBASSEMBLIES CYLINDER HEAD - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 47 Disassembly - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 47 Cleaning - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 47 Inspection - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 47...
  • Page 52 Crankcase Cover - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 60 PTO Bearing/Oil Seal - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 60 Cleaning - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 61 Inspection - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 61...

  • Page 53: Cylinder Head

    CYLINDER HEAD Disassembly 1. Pack shop towels into the combustion chamber and place cylinder head on bench with the combustion chamber side down. 2. Remove valve cap from exhaust valve. 3. See Figure 51. Using thumb pressure, press down on valve spring retainer to disengage from valve stem groove.

  • Page 54: Valve Guides

    3. Check the cylinder head to cylinder mating surface for 4. Repeat the 6 point check outlined under step 3 to check warpage or distortion. Discard the cylinder head if any for warpage or distortion of the cylinder head to valve low spot is 0.004 inches (0.10 mm) or more.
  • Page 55 Intake Valve Stem Diameter Models Reject Size 130G00, 131G00, 13R200 0.208 in (5.28 mm) or less 13U100, 13U200 0.210 in (5.32 mm) or less 6. Measure the top, center and bottom of the exhaust valve stem.

  • Page 56: Valve Springs

    9. If the desired results are not observed, obtain the Master Seat Cutter Kit (Part No. 19547) and proceed Valve Springs as follows: 1. Inspect valve springs for broken or discolored coils. Replace springs if either of these conditions are found. NOTE: Carefully read manufacturer's directions for proper assembly and use of tool.

  • Page 57: Assembly

    H. Rotating outside nut in a clockwise direction, tighten stud as follows. Carburetor Stud Models Torque 130G00, 131G00, 13R200 50-70 in-lbs (5.7-7.9 N-m) 13U100, 13U200 44-62 lb-in (5-7 N-m) 3. Replace a muffler stud as follows: A. Retrieve the two hex nuts removed from the studs during muffler removal.
  • Page 58 A. Apply a suitable engine assembly lube to the valve NOTE: Models 13U100 and 13U200 use a different stem. style valve stem seal. Lightly lubricate inside B. From the bottom of the cylinder head, insert the diameter, and slide over valve stem to install. valve stem into the valve guide.

  • Page 59: Piston And Connecting Rod

    PISTON AND CONNECTING ROD Disassembly 1. Insert small pick into pick lock groove and pull piston pin lock ring out of pin boss groove on one side of piston. Discard lock ring. CAUTION Always wear proper eye protection when removing piston pin lock ring.

  • Page 60: Connecting Rod

    Models Reject Size 3. Verify that oil holes in connecting rod shank and at top of piston pin bore are clean and open. 130G00, 131G00, 13R200 0.707 in (17.96 mm) or less 13U100, 13U200 0.708 in (17.97 mm) or less Inspection 5.

  • Page 61: Piston Rings

    Connecting Rod Cap Screws Middle Oil Wiper Ring End Gap Models Torque Models Reject Size 130G00, 131G00, 13R200 110-140 lb-in (12.4-15.8 N-m) 130G00, 131G00, 0.044 in (1.11 mm) or more 13R200 13U100, 13U200 124-142 lb-in (14-16 N-m) 13U100, 13U200 0.047 in (1.19 mm) or more...

  • Page 62: Assembly

    Exercise care to avoid kinking, stretching, or distorting Models Reject Size lock ring. Verify that lock ring is fully seated in the 130G00, 131G00, 13R200 1.185 in (30.10 mm) or more groove. 13U100, 13U200 1.184 in (30.07 mm) or more 8.
  • Page 63 9. See Figure 66. Carefully install the oil wiper ring into A. See Figure 67. Rotate expander spring, so that the the middle ring groove, so that the "D" stamp near the gap is positioned at the front of the piston (A). ring gap faces the piston crown.

  • Page 64: Flywheel, Crankshaft And Camshaft

    6. Inspect flywheel fan (D) for bent, cracked, chipped, or Models Reject Size broken fins. 130G00, 131G00, 13R200 1.179 in (29.95 mm) or less 13U100, 13U200 1.178 in (29.93 mm) or less 8. Measure the MAG bearing and PTO bearing journal diameters.

  • Page 65: Camshaft

    Camshaft 1. See Figure 70. Check camshaft gear (A) for worn, cracked, chipped, or missing teeth. 2. Check operation of yoke on Mechanical Compression Release (MCR) mechanism (B). NOTE: Press yoke to the OPEN position, and then verify that it returns to the fully CLOSED position when released.

  • Page 66: Crankcase And Crankcase Cover

    CRANKCASE AND CRANKCASE COVER Disassembly Crankcase Governor Crank 1. Remove spring clip from groove in governor crank. 2. Remove governor crank with flat washer from crankcase. 3. Remove governor cup and flat washer from governor gear shaft. Low Oil Sensor (If Equipped) 1.

  • Page 67: Cleaning

    2. Using an inside micrometer, check the crankcase and the crankcase cover camshaft bearing bores for wear. Replace either part if measurement is 0.553 inches (14.05 mm) or more. 3. Check the crankcase for cracks or broken cooling fins. Check the crankcase cover for cracks. Replace parts as necessary.

  • Page 68: Deglaze (Recondition) Cylinder Bore

    D. See B of Figure 75. Set a straightedge vertically across the length of the cylinder gasket surface. Use feeler gauge to check for warpage. Repeat step on opposite side. E. See C of Figure 75. Set a straightedge horizontally across the length of the cylinder gasket surface.

  • Page 69: Hone (Resize) Cylinder Bore

    so it will help to keep hone straight in the bore. As the bottom of the bore increases in diameter, gradually increase each stroke until hone travels the full length of the bore. NOTE: Hone cylinder bore with a drill speed of 300 to 700 RPM maximum at 40-60 strokes per minute.

  • Page 70: Assembly

    11. With the outside facing upward, support crankcase on Models MAG Bearing Oil Seal Depth wooden blocks on deck of arbor press. 130G00, 131G00, 13R200 0.049-0.069 in (1.25-1.75 mm) 12. Apply a thin film of clean engine oil to oil seal bore and 13U100, 13U200 0.059-0.071 in (1.5-1.8 mm)

  • Page 71: Low Oil Sensor (If Equipped)

    Tighten screws as follows. Low Oil Sensor Screws Models Torque 130G00, 131G00, 13R200 50-70 lb-in (5.7-7.9 N-m) 13U100, 13U200 71-124 lb-in (8-14 N-m) 5. From outside crankcase, install hex flange nut (B) on fitting.
  • Page 72 16. Center oil seal driver under ram. 17. See Figure 86. Slowly apply pressure to oil seal driver until oil seal is at the depth shown below. Models PTO Bearing Oil Seal Depth 130G00, 131G00, 13R200 0.157-0.177 in (4.0-4.5 mm) 13U100, 13U200 0.118-0.130 in (3.0-3.3 mm)
  • Page 73 SECTION 7 – ASSEMBLE ENGINE BOTTOM END ASSEMBLY - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 68 TOP END ASSEMBLY - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 73...
  • Page 74 BOTTOM END ASSEMBLY 1. Apply a thin film of clean engine oil to MAG bearing oil seal lip. 2. See Figure 87. Rotate governor crank (A), so that paddle is in contact with governor cup and washer (B). 3. Verify end play shims are installed on crankshaft, if used.
  • Page 75 Connecting Rod Cap Screws clean engine oil. Models Torque 25. Verify that mating surfaces of crankcase and crankcase 130G00, 131G00, 13R200 110-140 lb-in (12.4-15.8 N-m) cover are clean and dry. Any dust or dirt left on mating 13U100, 13U200 124-142 lb-in (14-16 N-m) surfaces can cause leaks.

  • Page 76: Section 9 – Specifications

    Figure Third Step Models Torque 130G00, 131G00, 16-21 lb-ft (21.5-28.3 N-m) NOTE: Keep the paint marks aligned until after 13R200 installation of the governor lever to ensure that governor...
  • Page 77 36. Install dipstick oil plugs into crankcase cover and tighten as follows. Dipstick Oil Plugs Models Torque 130G00, 131G00, 13R200 10-30 lb-in (1.1-3.4 N-m) 13U100, 13U200 18-27 lb-in (2-3 N-m) 37. If equipped, lubricate O-rings with clean engine oil and install high oil fill tube into crankcase cover.
  • Page 78 See Figure 97. Flywheel Nut Models Torque 130G00, 131G00, 53-71 lb-ft (72.3-96 N-m) 13R200 13U100, 13U200 54-59 lb-ft (73-80 N-m) D. Remove strap wrench from flywheel.
  • Page 79 13U100, 13U200 6-7 lb-ft (9-10 N-m) B. Using the sequence shown, tighten screws as Rocker Arm Studs follows. Models Torque 130G00, 131G00, 13R200 110-140 lb-in (12.4-15.8 N-m) Second Step 13U100, 13U200 177-266 lb-in (20-30 N-m) Models Torque 130G00, 131G00, 10-14 lb-ft (13.6-19 N-m)
  • Page 80 Using the sequence shown in Figure 104, alternately tighten screws as follows. Valve Cover Screws Models Torque 130G00, 131G00, 13R200 70-90 lb-in (7.9-10.2 N-m) 13U100, 13U200 71-124 lb-in (8-14 N-m) 8. See Figure 102. Insert push rods through guide plate to engage valve tappets.
  • Page 81 SECTION 8 – INSTALL EXTERNAL ASSEMBLIES INSTALL EXTERNAL ASSEMBLIES - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 76 Armature - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 76 Low Oil Sensor Module (If Equipped) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 77 Blower Housing - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 77...

  • Page 82: Install External Assemblies

    7. See Figure 108. Tighten bottom hex flange screw (I) and then top hex flange screw (J) as follows. Armature Screws Models Torque 130G00, 131G00, 13R200 80-110 lb-in (9-12.4 N-m) 13U100, 13U200 71-124 lb-in (8-14 N-m) 3. See Figure 106. Slide armature (C) away from flywheel.

  • Page 83: Low Oil Sensor Module (If Equipped)

    Tighten screw as follows. Low Oil Sensor Module Screw Models Torque 130G00, 131G00, 13R200 30-80 lb-in (3.4-9 N-m) 13U100, 13U200 35-71 lb-in (4-8 N-m) 3. Connect one-place wire connector (B) between oil sensor module and either armature or rocker stop switch.

  • Page 84: Rewind Starter

    Verify that bottom of blower housing is above or flush with bottom of engine base. Blower Housing Screws Models Torque 130G00, 131G00, 13R200 60-110 lb-in (6.8-12.4 N-m) 13U100, 13U200 71-124 lb-in (8-14 N-m) NOTE: Bottom screw on cylinder head side also captures cylinder heat shield.

  • Page 85: Carburetor

    Carburetor NOTE: See Overhaul Carburetor for disassembly, cleaning, inspection, and assembly instructions. 1. See Figure 118. Install carburetor adapter gasket (A), carburetor adapter (B), and second carburetor adapter gasket (C) onto carburetor mounting studs. Always use new carburetor adapter gaskets. 2.
  • Page 86 serious injury. Always observe the following 5. Remove hinge pin (G) from pedestals to release float precautions when working with fuel system (H) from carburetor body. components: 6. Remove needle valve (I) and spring (J) from slot on float hinge. •...

  • Page 87: Governor Bracket/Lever

    11. Inspect the needle valve, spring, and seat. Check tip of needle valve for wear or grooves. Check spring for damage or distortion. Replace parts as necessary. 12. Inspect float for distortion, dents, cracks, or holes. Submerge float in a glass of water to verify that it is water tight.

  • Page 88: Muffler

    11. Alternately tighten two hex flange screws as follows. Governor Bracket Screws Models Torque 130G00, 131G00, 13R200 80-110 lb-in (9-12.4 N-m) 13U100, 13U200 71-124 lb-in (8-14 N-m) 12. See Figure 121. Move throttle control lever to FAST (A). 13. While holding governor lever (B) in the Wide Open...
  • Page 89 Stamped/Wire Guard Spark Arrester Screw(s) surfaces can cause exhaust leaks. Models Torque 8. Install new gasket (N) onto studs. 130G00, 131G00, 13R200 71-124 lb-in (8-14 N-m) 13U100, 13U200 27-44 lb-in (3-5 N-m) 9. Install muffler on studs. 10. Install two hex nuts (O) with lock washers (P) onto studs.

  • Page 91: Fuel Tank

    Fuel Filter Fitting 11. On opposite side, install two hex flange nuts (E) onto Models Torque fuel tank studs. Alternately tighten nuts as follows. 130G00, 131G00, 13R200 60-70 lb-in (6.8-7.9 N-m) 13U100, 13U200 62-71 lb-in (7-8 N-m) Fuel Tank Nuts...

  • Page 92: Starter Motor (If Equipped)

    Starter Motor (If Equipped) 1. Install connector and spade terminal to key switch on trim panel. 2. See Figure 125. Install two locating pins (A) into holes in crankcase. 3. With the stator wires routed over the top of the starter motor, install starter motor (B) onto locating pins.

  • Page 93: Air Cleaner

    8. Remove foam pre-cleaner (B) from air filter cartridge Air Cleaner (C). 9. Gently tap air filter cartridge on a hard surface to loosen Refer to one of the following configurations: dirt and debris. Carefully brush and/or vacuum air filter •...

  • Page 94: Foam Low Mount Air Filter

    3. Install breather hose from valve cover to port on air cleaner base. 4. Gently wash foam filter (B) in warm, soapy water. Thoroughly rinse with clean water. Squeeze foam filter in a clean cloth until dry. NOTE: Use of pressurized air or solvents will damage foam filter.

  • Page 95: Paper Air Filter

    6. Saturate foam filter with clean engine oil. Gently squeeze foam filter in a clean cloth to remove excess oil. 7. Install foam filter into air cleaner cover (C). 8. Install air cleaner cover and engage two retaining clips (D) to secure. Paper Air Filter 1.

  • Page 96: Gear Reduction Unit (If Equipped)

    9. Lubricate o-ring seal with clean engine oil and install Gear Reduction Unit (If Equipped) into groove in gear case. 10. Align gear teeth and slide drive shaft assembly into gear 6:1 Gear Reduction Unit case bearing. 11. Slide gear case cover over drive shaft assembly. 1.

  • Page 97: 2:1 Gear Reduction Unit

    17. Install oil level plug with sealing washer. Install oil fill/vent plug with copper washer. Tighten each plug to 180-210 lb-in (20.3-23.7 N-m). NOTE: Verify that vent hole of oil fill/vent plug is facing outside. 2:1 Gear Reduction Unit 1. Verify that PTO bearing oil seal is NOT installed in crankcase cover.

  • Page 98: Final Instructions

    3. Move throttle control lever to SLOW (E). Models Torque 4. Hold throttle lever (F) against idle screw (G) and adjust 130G00, 131G00, 13R200 140-200 lb-in (15.8-22.6 N-m) idle screw to obtain 1450 RPM. 13U100, 13U200 248-266 lb-in (28-30 N-m) 5.

  • Page 99: Adjust Remote Choke Control (Carburetor Mounted)

    2. See Figure 138. Obtain Digital Tachometer and Hour Meter (Part No. 19598) (A). Proceed as follows: Adjust Remote Throttle Control (Governor Bracket Mounted) A. Insert solder lug of white wire under engine or frame bolt for suitable ground (B). NOTE: Choose one of two locations for mounting the remote cable to the governor bracket.
  • Page 101 MODELS 130G00, 131G00, 13R200 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...

  • Page 102: Models 130G00, 131G00, 13R200

    MODELS 130G00, 131G00, 13R200 Engine Specifications ENGINE Bore 2.76 in (70 mm) Stroke 2.13 in (54 mm) Displacement 12.69 ci (208 cc) Compression Ratio 8:5:1 Crankshaft End Play 0.003-0.030 in (0.09-0.75 mm) Crankshaft End Play (Pump Applications) 0.002-0.009 in (0.05-0.23 mm)

  • Page 103: Standard/Reject Sizes

    FASTENER TORQUE Low Oil Sensor Nut 30-50 lb-in (3.4-5.7 N-m) Muffler Stud 40-60 lb-in (4.5-6.8 N-m) Muffler Stud Nut 80-110 lb-in (9-12.4 N-m) Muffler Stamped Guard Screw 80-110 lb-in ( 9-12.4 N-m) Muffler Stamped Guard Spark Arrester Screw 71-124 lb-in (8-14 N-m) Muffler Stamped Guard Muffler Deflector Screw 25-35 lb-in (2.8-4 N-m) Muffler Wire Guard Screw...
  • Page 104 ITEM STANDARD SIZE REJECT SIZE CRANKCASE COVER Camshaft Bearing Bore Diameter 0.551 in (14 mm) 0.553 in (14.05 mm) or more CRANKSHAFT Crank Pin Journal Diameter 1.181 in (30 mm) 1.179 in (29.95 mm) or less MAG Side Journal Diameter 0.984 in (25 mm) 0.982 in (24.95 mm) or less PTO Side Journal Diameter...

  • Page 105: Models 13U100, 13U200

    MODELS 13U100, 13U200 Engine Specifications ENGINE Bore 2.76 in (70 mm) Stroke 2.13 in (54 mm) Displacement 12.69 ci (208 cc) Compression Ratio 8:5:1 Crankshaft End Play 0.003-0.030 in (0.09-0.75 mm) Crankshaft End Play (Pump Applications) 0.002-0.009 in (0.05-0.23 mm) Oil Capacity 19-22 oz (550-650 ml) Fuel Tank Capacity...

  • Page 106: Standard/Reject Sizes

    FASTENER TORQUE Muffler Stamped Guard Screw 27-44 lb-in (3-5 N-m) Muffler Stamped Guard Spark Arrester Screen Screw 27-44 lb-in (3-5 N-m) Muffler Stamped Guard Muffler Deflector Screw 27-44 lb-in (3-5 N-m) Oil Drain Plug 248-266 lb-in (28-30 N-m) Dipstick Oil Plug 18-27 lb-in (2-3 N-m) Remote Choke Bracket Stud 35-71 lb-in (4-8 N-m)
  • Page 107 ITEM STANDARD SIZE REJECT SIZE Middle Oil Wiper Ring End Gap 0.017 in (0.43 mm) 0.047 in (1.19 mm) or more Bottom Oil Control Ring End Gap 0.018 in (0.45 mm) 0.053 in (1.34 mm) or more Top Compression Ring Side Clearance ** 0.002 in (0.04 mm) 0.009 in (0.22 mm) or more ** Only top ring side clearance needs to be checked.
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