Triumph Thunderbird LT Owner's Handbook Manual
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Triumph Thunderbird LT Owner's Handbook Manual

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FOREWORD
This handbook contains information on the Triumph Thunderbird Commander and the
Thunderbird LT. Always store this owner's handbook with the motorcycle and refer to it for
information whenever necessary.
Warnings, Cautions and
Notes
Throughout
this
owner's
particularly
important
information
presented in the following form:
Warning
This warning symbol identifies special
instructions or procedures, which if not
correctly followed could result in personal
injury, or loss of life.
handbook
This caution symbol identifies special
is
instructions or procedures, which, if not
strictly observed, could result in damage to,
or destruction of, equipment.
Note:
•
This note symbol indicates points
of particular interest for more
efficient and convenient operation.
Foreword
Caution
1

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  • Page 1 Foreword FOREWORD This handbook contains information on the Triumph Thunderbird Commander and the Thunderbird LT. Always store this owner's handbook with the motorcycle and refer to it for information whenever necessary. Warnings, Cautions and Notes Caution Throughout this owner's handbook...

  • Page 2: Foreword

    To ensure a long, safe and trouble free life for motorcycle, the symbol (left) your motorcycle, maintenance should only be can be seen. The symbol carried out by an authorized Triumph dealer. means 'CAUTION: REFER TO Only an authorized Triumph dealer will have THE HANDBOOK' and will...
  • Page 3 Foreword Immobilizer and Tire Noise Control System Pressure Monitoring System Tampering With the Noise Control System is Prohibited. This device complies with part 15 of the FCC Owners are warned that the law may Rules. Operation is subject to the following prohibit: two conditions: •...
  • Page 4 Triumph strongly recommends that all riders permanent part of your motorcycle and undertake a safety course approved by the should remain with it even if your Motorcycle Safety Foundation to ensure safe motorcycle is subsequently sold.
  • Page 5 Information Our relationship with you does not end with The information contained in this publication the purchase of your Triumph. Your feedback is based on the latest information available at on the buying and ownership experience is the time of printing. Triumph reserves the...

  • Page 6: Table Of Contents

    Foreword Table of Contents This handbook contains a number of different sections. The table of contents below will help you find the beginning of each section where, in the case of the major sections, a further table of contents will help you find the specific subject required. Foreword .

  • Page 7: The Motorcycle

    Foreword - Safety First FOREWORD - SAFETY FIRST The Motorcycle Fuel and Exhaust Fumes Warning Warning This motorcycle is designed for on-road GASOLINE IS HIGHLY FLAMMABLE: use only. It is not suitable for off-road use. Always turn off the engine when refuelling. Off-road operation could lead to loss of Do not refuel or open the fuel filler cap control of the motorcycle resulting in an...
  • Page 8 Foreword - Safety First Helmet and Clothing Warning Warning When riding the motorcycle, both rider A helmet is one of the most important and passenger must always wear a pieces of riding gear as it offers protection motorcycle helmet, eye protection, gloves, against head injuries.
  • Page 9 By removing the key, the risk conversions for any Triumph motorcycle of use of the motorcycle by unauthorized are those which carry official Triumph or untrained persons is reduced. approval installed motorcycle by an authorized dealer. When parking the motorcycle, always...
  • Page 10 Foreword - Safety First Maintenance/Equipment Warning Warning Consult your authorized Triumph dealer Ensure all equipment that is required by whenever there is doubt as to the correct law is installed and functioning correctly. safe operation this Triumph removal alteration motorcycle.
  • Page 11 Foreword - Safety First Riding Warning Warning Never ride the motorcycle when fatigued This Triumph motorcycle should or under the influence of alcohol or other operated within the legal speed limits for drugs. the particular road travelled. Operating a motorcycle...
  • Page 12 Caution locking arms or fighting the steering. Smoothly ease off the throttle to slow This Triumph motorcycle is not fitted with gradually. Do not apply the brakes, and do spark arresters. Operation in forests, brush not accelerate to try to stop the wobble or or grass areas may violate state and local weave.
  • Page 13 Foreword - Safety First Handlebars and Footrests Warning Warning When banking and the bank angle The rider must maintain control of the indicator, attached to the rider’s footboard, vehicle keeping hands makes contact with the ground, the handlebars at all times. motorcycle is nearing its bank angle limit.

  • Page 14: Warning Labels

    Warning Labels WARNING LABELS Warning Label Locations – Thunderbird LT The labels detailed on this and the following pages draw your attention to important safety information in this handbook. Before riding, ensure that all riders have understood and complied with all the information to which these labels relate.
  • Page 15 Warning Labels Warning Label Locations – Thunderbird LT (continued) Caution All warning labels and decals, with the exception of the Running-in label, are fitted to the motorcycle using a strong adhesive. In some cases, labels are installed prior to an application of paint lacquer.
  • Page 16 Warning Labels Warning Label Locations – Thunderbird Commander The labels detailed on this and the following pages draw your attention to important safety information in this handbook. Before riding, ensure that all riders have understood and complied with all the information to which these labels relate. Coolant (page 81) DAILY SAFETY CHECKS AND SEAT CARE...
  • Page 17 Warning Labels Warning Label Locations – Thunderbird Commander (continued) Caution All warning labels and decals, with the exception of the Running-in label, are fitted to the motorcycle using a strong adhesive. In some cases, labels are installed prior to an application of paint lacquer.

  • Page 18: Parts Identification

    Parts Identification PARTS IDENTIFICATION Thunderbird LT 1. Front turn signal 9. Rear brake caliper 2. Headlight 10.Gear shift pedal 3. Clutch cable 11. Side stand 4. Fuel tank 12.Radiator 5. Allen Key (behind side panel) 13.Front brake caliper 6. Handbook/C-spanner (beneath 14.Front brake disc...
  • Page 19 Parts Identification Parts Identification - Thunderbird LT (continued) 15.Rear suspension unit (behind 23.Rear brake pedal pannier) 24.Rear brake fluid reservoir 16.Battery (beneath seat) 25.Oil filler cap/Dipstick 17. Fuel filler cap 26.Coolant expansion tank (behind drive 18.Front brake fluid reservoir belt pulley cover) 19.Coolant pressure cap (beneath fuel...
  • Page 20 Parts Identification Parts Identification - Thunderbird Commander 1. Front turn signal 8. Rear brake disc 2. Headlight 9. Rear brake caliper 3. Clutch cable 10.Gear shift pedal 4. Fuel tank 11. Side stand 5. Allen Key (behind side panel) 12.Radiator 6.
  • Page 21 Parts Identification Parts Identification - Thunderbird Commander (continued) 15.Rear suspension unit (behind 22.Rear brake pedal pannier) 23.Rear brake fluid reservoir 16.Battery (beneath seat) 24.Oil filler cap/Dipstick 17. Fuel filler cap 25.Coolant expansion tank (behind drive 18.Front brake fluid reservoir belt pulley cover) 19.Coolant pressure cap (beneath fuel 26.Muffler tank)
  • Page 22 Parts Identification Thunderbird LT Shown TRIP cihe 1. Clutch lever 8. Front brake lever 2. Headlight dimmer switch 9. Scroll button 3. Auxiliary lamp switch 10.Starter button 4. Clutch lever adjuster 11. Odometer 5. Speedometer 12.Fuel gauge 6. Front brake fluid reservoir 13.Horn button...

  • Page 23: Serial Numbers

    Serial Numbers SERIAL NUMBERS Vehicle Identification Engine Serial Number Number (VIN) The engine serial number is stamped on the The vehicle identification number is stamped upper engine crankcase, towards the rear, into the steering head area of the frame. It is and is visible from left hand side, behind the also displayed on a plate, riveted to the starter motor.
  • Page 24 Serial Numbers This page intentionally left blank...
  • Page 25 General Information GENERAL INFORMATION Table of Contents Instrument Panel Layout............27 Instruments .
  • Page 26 General Information Fuel Requirement/Refuelling ........... 39 Fuel Grade .

  • Page 27: Instrument Panel Layout

    General Information Instrument Panel Layout TRIP cdga 1. Speedometer 8. High coolant temperature warning 2. Fuel gauge light 3. Range to empty/Trip meter/Clock 9. Turn signal light 4. Odometer 10.Low oil pressure warning light 5. Auxiliary lamp indicator light 11. Low fuel level indicator light 6.

  • Page 28: General Information

    General Information Instruments To switch between the trip meter, clock and range to empty display modes, press and release the scroll button (see below), located Speedometer on the right hand handlebar switch housing, The speedometer indicates the road speed of until the desired display is visible.
  • Page 29 General Information Clock Adjustment Range to Empty Warning Do not attempt to adjust the clock with the motorcycle in motion as this may lead to loss of motorcycle control and an accident. To reset the clock, select the clock display. TRIP Then press and hold the scroll button for 4 seconds, the clock’s hour display will start...

  • Page 30: Fuel Gauge

    General Information Fuel Gauge Warning Lights TRIP Low Oil Pressure Warning With the engine running, if the engine pressure becomes dangerously low, the low oil pressure warning light will illuminate. Caution Stop the engine immediately if the low oil pressure warning light illuminates. Do not restart the engine until the fault has been rectified.

  • Page 31: Engine Management System Malfunction Indicator Light

    Contact an authorized range to empty information. To change back Triumph dealer as soon as possible to have to the original display, press the 'scroll' button the fault checked and rectified.

  • Page 32: Alarm/Immobilizer Indicator Light

    Contact an authorized Triumph dealer as soon as possible to have the fault checked and rectified.

  • Page 33: Ignition Key

    In this situation the engine immobilizer will remain active until one of the ignition keys is removed. Always get replacement keys from your authorized Triumph dealer. Replacement keys must be 'paired' with the motorcycle’s immobilizer by your authorized Triumph dealer.

  • Page 34: Ignition Switch

    General Information Ignition Switch Switch Location The ignition switch is located in line with the rear edge of the fuel tank, on the right hand side of the motorcycle. Switch Operation This is a three position, key operated switch. The key can be removed from the switch only when it is in the OFF or P (PARK) positions.

  • Page 35: Steering Lock Key

    General Information Steering Lock Key Warning For reasons of security and safety, always turn the ignition to the OFF or PARK position and remove the key when leaving the motorcycle unattended. Any unauthorized use of the motorcycle may cause injury to the user, other road users and pedestrians and may also cause damage to the motorcycle.

  • Page 36: Steering Lock

    General Information Your authorized Triumph dealer can supply a Steering Lock replacement key cut from details of the key number or can cut a new key using the original as a master. Caution Do not store the spare key with the motorcycle as this will reduce all aspects of security.

  • Page 37: Right Handlebar Switches

    General Information Right Handlebar Switches Caution Do not leave the ignition switch in the ON position unless the engine is running as this may cause damage to electrical components and will discharge the battery. Starter Button The starter button operates the electric starter.

  • Page 38: Headlight Dimmer Switch

    General Information Left Handlebar Switches • The headlight will only function when the ignition switch is turned to the ON position and the engine is running. An alternative to turn on the headlight, without engine running, is to pull the clutch lever then turn the ignition switch to the ON position.
  • Page 39 General Information Turn Signal Switch Horn Button When the horn button is pushed, with the Note: ignition switch turned to the ON position, the • This motorcycle is equipped with a horn will sound. turn signal self cancel system. The system becomes active...

  • Page 40: Fuel Requirement/Refuelling

    Fuel Grade Note: This Triumph motorcycle is designed to run • If 'knocking' or 'pinging' occurs at a on unleaded gasoline with a CLC or AKI steady engine speed under normal octane rating (R+M)/2 of 87 or higher.

  • Page 41: Fuel Tank Cap

    The use of gasolines containing up to 15% When refuelling, turn the ignition switch to MTBE (Methyl Tertiary Butyl Ether) is the 'OFF' position. permitted in this Triumph motorcycle. Do not smoke. Methanol Do not use a mobile telephone. Make sure the refuelling area is well...
  • Page 42 General Information Fuel Tank Cap Filling the Fuel Tank Avoid filling the tank in rainy or dusty conditions where airborne material can contaminate the fuel. Caution Contaminated fuel may cause damage to fuel system components. Fill the fuel tank slowly to help prevent spillage.

  • Page 43: Side Stand

    General Information Side Stand Warning Overfilling the tank can lead to fuel spillage. If fuel is spilled, thoroughly clean up the spillage immediately and dispose of the materials used safely. Take care not to spill any fuel on the engine, exhaust pipes, tires or any other part of the motorcycle.

  • Page 44: Side Panels

    General Information Side Panels Tool Kit and Handbook cfhl cigu 1. Side panel (right hand shown) 1. Allen key 2. Grommets Side panel removal is required to access the fuse box and the tool kit Allen key. To remove either side panel, grasp the panel firmly in both hands pull the panel away from the motorcycle until it clears the three retaining grommets (leaving the grommets in...

  • Page 45: Seats

    General Information The tool kit consists of an Allen key for Seats removal of the rider and pillion seats and a C-spanner for adjustment of the rear Seat Care suspension. To prevent damage to the seats or seat The Allen key is attached to the inside of the covers, care must be taken not to drop or left hand side panel.

  • Page 46: Rider Seat Removal

    General Information Pillion Seat Removal cfcn 1. Pillion seat hooks cigz 2. Location peg 1. Pillion seat fastener 3. Pillion seat bracket 2. Mounting bracket 3. Rubber washer To refit the seat, engage the seat’s two hooks and location pin into the bracket behind the Note: rider’s seat.

  • Page 47: Windshield (If Fitted)

    General Information Rider Seat Removal Windshield (if fitted) Note: • The windshield can be removed without the use of tools To Remove the Windshield ciha 1. Lock release 2. Rider's seat To remove the rider’s seat, remove the pillion seat (see page 46). Pull the lock release, located at the rear of the seat, rearwards to release the seat from its cigw...

  • Page 48: To Install The Windshield

    General Information To Install the Windshield To install the windshield, stand astride the Warning front wheel and align the windshield lower Never attempt to clean or adjust the mounting slots to the lower mountings on windshield while riding the motorcycle. the front forks.

  • Page 49: Panniers (If Fitted)

    General Information Panniers (if fitted) MAX LOAD 7.0 kg (15.4lbs) To Remove the Panniers Note: • same procedure followed to remove and mount the left or right hand pannier. To remove the pannier from the motorcycle, open the lid of the pannier and remove the two fasteners and their washer.

  • Page 50: To Install The Panniers

    General Information Warning Always ensure the pannier lids are securely closed on both latches. An open pannier lid may cause the motorcycle to become unstable leading to loss of motorcycle control and an accident. Warning The maximum safe load for each pannier is 7.0 kg (15.4 lbs).
  • Page 51 General Information Warning Warning Incorrect loading may result in an unsafe After fitting or removing the panniers, riding condition leading to an accident. operate the motorcycle in a safe area free from traffic to gain familiarity with the new Always ensure any loads carried are evenly handling characteristics.

  • Page 52: Breaking-In

    General Information Breaking-In From 500 to 1000 miles (800 to 1500 kms): • Engine speed can gradually be Breaking-in is the name given to the process increased to the rev limit for short that occurs during the first hours of a new periods.

  • Page 53: Safe Operation

    Adjustment section or see your authorized 0.06 in (1.5 mm) friction material Triumph dealer for the action required to remaining on all brake pads (page 89). return the motorcycle to a safe operating Brake Fluid Levels: No brake fluid leakage. condition.
  • Page 54 General Information This page intentionally left blank...
  • Page 55 How to Ride the Motorcycle HOW TO RIDE THE MOTORCYCLE Table of Contents To Stop the Engine ............56 To Start the Engine .

  • Page 56: To Stop The Engine

    How to Ride the Motorcycle TRIP 1. Ignition switch 2. Engine stop switch 3. Starter button 4. Neutral light To Stop the Engine To Start the Engine Close the throttle completely. Check that the engine stop switch is in the RUN position.

  • Page 57: How To Ride The Motorcycle

    How to Ride the Motorcycle near the switch may interrupt the signal between the transponder Caution and the engine immobilizer. In this situation the engine immobilizer The low oil pressure warning light should will remain active until one of the go out shortly after the engine starts.

  • Page 58: Shifting Gears

    How to Ride the Motorcycle Shifting Gears Note: • The gear shift mechanism is the 'positive stop' type. This means that, for each movement of the gear shift pedal/lever, you can only select each gear, one after other, ascending descending order. Warning Do not shift to a lower gear at speeds that will cause excessive engine rpm (r/min).

  • Page 59: Braking

    2. Rear brake pedal emergency braking in a traffic-free area. Incorrect brake technique could result in loss of motorcycle control and an accident. Triumph strongly recommends that all riders take a course of instruction, which includes advice on safe brake operation.
  • Page 60 How to Ride the Motorcycle Warning Warning For your safety, always exercise extreme When descending a long steep gradient, caution when braking, accelerating or use engine braking by down shifting and turning as any improper action can cause use the brakes intermittently. Continuous loss of motorcycle control and an accident.

  • Page 61: Abs (Anti-Lock Brake System) Models Only

    ABS braking system. Do not continue to ride for longer than is necessary with the indicator light illuminated. Contact an authorized Triumph dealer as soon as possible to have the fault checked and rectified. In this situation, braking too hard will cause the wheels to lock resulting in loss of motorcycle control and an accident.

  • Page 62: Parking

    How to Ride the Motorcycle Parking Warning The ABS warning light will illuminate when the rear wheel is driven at high speed for more than seconds when motorcycle is on a stand. This reaction is normal. When the ignition is switched off and the motorcycle is re-started, the warning light will illuminate until the motorcycle reaches a speed exceeding 19 mph (30 km/h).

  • Page 63: Considerations For High-Speed Operation

    Warning Warning Gasoline is extremely flammable and can be explosive under certain conditions. If Only operate this Triumph motorcycle at parking inside a garage or other structure, high speed in closed-course on-road be sure it is well ventilated and the competition or on closed-course racetracks.

  • Page 64: General

    How to Ride the Motorcycle Brakes Check that the front and rear brakes are Warning functioning properly. handling characteristics Tires motorcycle at high speed may vary from those you are familiar with at legal road High-speed operation is hard on tires, and speeds.

  • Page 65: Drive Belt

    How to Ride the Motorcycle Drive Belt Electrical Equipment Make certain that the drive belt is correctly Make certain that the headlight, rear/brake adjusted. Inspect belt wear, light, turn signals, horn etc., all work properly. damage/cuts, frayed edges, or broken teeth. Miscellaneous Coolant Visually check that all fasteners are tight.
  • Page 66 How to Ride the Motorcycle This page intentionally left blank...

  • Page 67: Accessories, Loading And Passengers

    Accessories, Loading and Passengers ACCESSORIES, LOADING AND PASSENGERS The addition of accessories and carrying of additional weight can affect the motorcycle's handling characteristics causing changes in stability and necessitating a reduction in speed. The following information has been prepared as a guide to the potential hazards of adding accessories to a motorcycle and carrying passengers and additional loads.
  • Page 68 Warning Never ride accessory equipped Only operate this Triumph motorcycle at motorcycle, or a motorcycle carrying a high speed in closed-course on-road payload of any kind, at speeds above competition or on closed-course racetracks. 80 mph (130 km/h). In either/both of...
  • Page 69 Accessories, Loading and Passengers Warning Warning Do not carry a passenger unless he or she Never attempt to store any items between is tall enough to reach the footrests the frame and the fuel tank. This can provided. restrict the steering and will cause loss of control leading to an accident.
  • Page 70 Accessories, Loading and Passengers This page intentionally left blank...
  • Page 71 Maintenance and Adjustment MAINTENANCE AND ADJUSTMENT Table of Contents Scheduled Maintenance............74 Engine Oil .
  • Page 72 Maintenance and Adjustment Suspension Adjustment........... . 95 Suggested Suspension Settings .
  • Page 73 Maintenance and Adjustment Black Chrome Items ............119 Windshield Cleaning (if fitted).

  • Page 74: Scheduled Maintenance

    Only an authorized Triumph Motorcycles cannot accept any Triumph dealer will have this knowledge responsibility for damage or injury resulting and equipment. from incorrect maintenance or improper adjustment carried out by the owner.

  • Page 75: Maintenance And Adjustment

    Engine oil filter - replace • • • • • Valve clearances - check • • • • Air cleaner - replace Autoscan - carry out a full Autoscan using the Triumph • • • • • Diagnostic tool • • • • •...
  • Page 76 Maintenance and Adjustment Operation Description Odometer Reading in Miles (Kms) or Time Period, whichever comes first First Service Annual Mileage Based Service Service Every Year 6,000 and 12,000 24,000 18,000 (800) (20,000) (40,000) (10,000 and 1 month 30,000) Steering head bearings - lubricate •...
  • Page 77 Maintenance and Adjustment Operation Description Odometer Reading in Miles (Kms) or Time Period, whichever comes first First Service Annual Mileage Based Service Service Every Year 6,000 and 12,000 24,000 18,000 (800) (20,000) (40,000) (10,000 and 1 month 30,000) Exhaust butterfly valve cables - check/adjust •...

  • Page 78: Engine Oil

    Maintenance and Adjustment Engine Oil Caution Ensure no foreign matter or contamination enters the engine during an oil change or cbnz In order for the engine, transmission, and top-up. Contamination entering the engine clutch to function correctly, maintain the may lead to engine damage. engine oil at the correct level, and change the oil and oil filter in accordance with scheduled Start the engine and let it idle for five...

  • Page 79: Oil And Oil Filter Change

    Maintenance and Adjustment Oil and Oil Filter Change Place an oil drain pan beneath the engine. Remove the sump plug from the bottom of The engine oil and filter must be renewed in the sump and allow the oil to drain. accordance with scheduled maintenance Incorporating a new washer, refit the sump requirements.
  • Page 80 Caution Unscrew and remove the oil filter using Raising the engine speed above idle, Triumph service tool T3880313. Dispose of before the oil reaches all parts of the the old filter in an environmentally friendly engine can cause engine damage or way.

  • Page 81: Disposal Of Used Engine Oil And Oil Filters

    Oil Specification and Grade To ensure efficient engine cooling, check the coolant level each day before riding the Triumph's high performance fuel injected motorcycle, and top off the coolant if the level engines are designed to use 10W/40 or is low.

  • Page 82: Coolant Level Inspection

    Note: • HD4X Hybrid OAT coolant, as 1. Final drive belt cover supplied by Triumph, is pre-mixed 2. Expansion tank and does not need to be diluted 3. MAX mark prior to filling or topping off the 4.

  • Page 83: Coolant Level Adjustment

    Coolant Change 2. Final drive belt cover screws Have the coolant changed by an authorized Remove the final drive belt cover as follows: Triumph dealer in accordance with scheduled Release the four screws from the cover and maintenance requirements. remove.

  • Page 84: Radiator And Hoses

    The fan operates automatically when the accordance with scheduled maintenance engine is running. Always keep hands and requirements. Have your authorized Triumph clothing away from the fan as contact with dealer replace any defective items. the rotating fan can cause injury.

  • Page 85: Bank Angle Indicators

    Always be alert for changes in the 'feel' of the throttle and have the throttle system checked by an authorized Triumph dealer if any changes are detected. Changes can cihf_1 1. Bank angle indicator be due to wear in the mechanism, which could lead to a sticking throttle.

  • Page 86: Inspection

    Tighten the lock nut. If there is an incorrect amount of free play, Triumph recommends that have adjustments made by your authorized Triumph dealer. However, in an emergency, throttle adjustment may be made as follows:...
  • Page 87 Ride carefully to your nearest authorized 1. Closing cable Triumph dealer and have them check the 2. Throttle cam throttle system thoroughly before riding again. With the throttle fully closed, ensure that there is 0.08-0.

  • Page 88: Clutch

    Maintenance and Adjustment Clutch Inspection Check that there is 0.04-0.08 in (1-2 mm) clutch lever free play at the lever. If there is an incorrect amount of free play, adjustments must be made. Adjustment Loosen the knurled lock nut at the lever end of the clutch cable and turn the adjuster sleeve until the correct amount of clutch lever free play is achieved.

  • Page 89: Brakes

    It is dangerous to operate the motorcycle recommend a period of careful breaking-in under such conditions and your authorized that will optimize the performance and Triumph dealer must rectify the fault longevity of the discs and pads. The before riding. recommended distance for breaking-in new Riding with defective brakes may lead to pads and discs is 200 miles (300 km).

  • Page 90: Disc Brake Fluid

    Reduce speed and do not continue to ride for longer than is necessary with the indicator light illuminated. Contact an Warning authorized Triumph dealer as soon as possible to have the fault checked and Brake fluid is hygroscopic which means it rectified.

  • Page 91: Brake Fluid Level Inspection And Adjustment

    Maintenance and Adjustment Brake Fluid Level Inspection and Rear brake Adjustment Front brakes cihs 1. Rear brake fluid reservoir, fluid level window 2. Lower level line 1. Front brake fluid reservoir, lower 3. Upper level line level line 4. Float 2.

  • Page 92: Brake Light Switches

    Warning If there has been an appreciable drop in the level of the fluid in either fluid reservoir, consult your authorized Triumph dealer for advice before riding. Riding with depleted brake fluid levels, or with a brake fluid leak is dangerous and will cause...

  • Page 93: Steering/Wheel Bearings

    If any free play can be detected in the block will not cause damage to the sump. steering head (headstock) bearings, ask your authorized Triumph dealer to inspect and rectify any faults before riding. Warning Riding the motorcycle with incorrectly...

  • Page 94: Wheel Bearings Inspection

    If the wheel bearings in the front or rear wheel allow play in the wheel hub, are noisy, or if the wheel does not turn smoothly, have your authorized Triumph dealer inspect the wheel bearings. The wheel bearings must be inspected at the...

  • Page 95: Front Suspension

    Examine each fork for any sign of damage, scratching of the slider surface, or for oil leaks. If any damage or leakage is found, consult an authorized Triumph dealer. To check that the forks operate smoothly: • Position the motorcycle on level ground.

  • Page 96: Suggested Suspension Settings

    Suggested Suspension Settings break. Therefore, always replace worn or damaged drive belts using genuine Triumph Adjuster settings are counted from position parts supplied by an authorized Triumph one with position one being with the adjuster dealer.

  • Page 97: Final Drive Belt Tension Inspection

    Final Drive Belt Tension Inspection Drive Belt Tension Specification Drive belt tension must be measured using Motorcycle on 0.20 to 0.27 in Triumph service tool T3880126, which is sidestand (5.5 to 7.0 mm) available from your Triumph dealer. Motorcycle on support 0.30 to 0.35 in...
  • Page 98 Maintenance and Adjustment Measure the drive belt tension as follows: • Push the deflection slider and its O-ring down the tool, so that it will Note: not touch the drive belt lower cover • During the following procedure when the tool is positioned to the the exhaust is shown removed for drive belt.
  • Page 99 Maintenance and Adjustment • Gently position the tool’s belt cradle • Taking care not to deflect the belt, to the center of the lower drive belt slide the deflection slider and its run, ensuring the deflection slider on O-ring upwards until the slider just the tool body is NOT in contact with touches the belt cover.
  • Page 100 Maintenance and Adjustment • Apply force to the belt tension • Remove the tool, taking care not to gauge in an upwards direction, until move the O-ring or deflection slider, the 4.5 kgf (10 lbf) mark on the load and read the belt deflection on the scale is reached.

  • Page 101: Final Drive Belt Tension Adjustment

    Maintenance and Adjustment Final Drive Belt Tension Adjustment • When the correct amount of drive belt tension has been set, push the Note: wheel into firm contact with the adjuster. Ensure the axle adjuster • Always adjust drive belt tension at marking is aligned with the same the tightest point in the drive belt.

  • Page 102: Tires

    Maintenance and Adjustment Tires Thunderbird Horizon is equipped with spoked wheels which require a tire suitable for use with an inner tube. Warning Failure to use an inner tube in a spoked wheel will cause deflation of the tire resulting in loss of motorcycle control and an accident.

  • Page 103: Tire Inflation Pressures

    Maintenance and Adjustment Tire Inflation Pressures Correct inflation pressure will provide Warning maximum stability, rider comfort and tire life. Inner tubes must only be used on Always check tire pressures before riding motorcycles fitted with spoked wheels and when the tires are cold. Check tire pressures with tires marked 'TUBE TYPE'.

  • Page 104: Minimum Recommended Tread Depth

    Always consult your authorized Triumph dealer for tire replacement, or for a safety inspection of the tires. Warning Only operate this Triumph motorcycle at high speed in closed-course on-road competition or on closed-course racetracks. High-speed operation should only then be...

  • Page 105: Tire Replacement

    Use of non-recommended tires striking the curb, ask your authorized can affect wheel speed and cause the ABS Triumph dealer to inspect the tire both function not to operate, potentially leading internally and externally. Remember, tire to loss of control and an accident in...
  • Page 106 Tires and inner tubes that have been used When replacement tires or inner tubes are on a rolling road dynamometer may required, consult your authorized Triumph become damaged. In some cases, the dealer who will arrange for the tires and...

  • Page 107: Battery

    Maintenance and Adjustment Battery Battery Removal Warning Under some circumstances, the battery can give off explosive gases; keep sparks, flames cigarettes away. Provide adequate ventilation when charging or using the battery in an enclosed space. The battery contains sulphuric acid (battery acid).

  • Page 108: Battery Disposal

    Maintenance and Adjustment Battery Disposal Battery Discharge Should the battery ever require replacement, the original battery must be handed to a Caution recycling agent who will ensure that the dangerous substances from which the battery The charge level in the battery must be manufactured pollute maintained to maximize battery life.

  • Page 109: Battery Discharge During Storage And Infrequent Use Of The Motorcycle

    Caution Do not use an automotive quick charger as it may overcharge and damage the battery. Should the battery Voltage fall below 12.7 Volts, the battery should be charged using a Triumph approved battery charger. Always remove battery from motorcycle...

  • Page 110: Battery Installation

    Fuse Box weeks) the battery should be removed from the motorcycle and kept charged using a Triumph approved maintenance charger. Similarly, should the battery charge fall to a level where it will not start the motorcycle, remove the battery from the motorcycle before charging.
  • Page 111 Maintenance and Adjustment Thunderbird Commander: Thunderbird Horizon: Position Circuit Protected Rating Position Circuit Protected Rating (Amps) (Amps) Low and main headlight Low and main headlight beams beams Heated grips Auxiliary lamps Side lights Side lights Cooling fan Cooling fan Engine management Engine management system system...

  • Page 112: Headlights

    Maintenance and Adjustment Headlights Caution Warning Do not cover the headlight or lens with any item likely to obstruct air flow to, or Adjust road speed to suit the visibility and prevent heat escaping from, the headlight weather conditions in which the motorcycle lens.

  • Page 113: Headlight Vertical Adjustment

    Maintenance and Adjustment Headlight Vertical Adjustment Headlight Bulb Replacement It is necessary to remove the headlight from the headlight bowl to gain access to the bulbs. Warning The bulbs become hot during use. Always allow sufficient time for the bulbs to cool before handling.

  • Page 114: Auxiliary Lamps (If Fitted)

    Maintenance and Adjustment To remove the position light bulb: Auxiliary Lamps (if fitted) Without pulling on the wires, ease the bulb It is necessary to remove the auxiliary lamp holder from its socket. The bulb is removed from its bowl to gain access to the bulb. from its holder by pulling gently upwards.

  • Page 115: Brake/Tail Light

    Maintenance and Adjustment Release the wire retainer and remove the Brake/Tail Light bulb. Brake/Tail Light Replacement Thunderbird Commander The brake/tail light unit is a sealed, maintenance free LED unit. Thunderbird Horizon cigv 1. Bulb 2. Wire retainer Installation of the bulb is the reverse of the removal procedure.

  • Page 116: Turn Signal Lights

    Maintenance and Adjustment Remove the rider’s seat (see page 47). Turn Signal Lights Disconnect the battery, negative (black) lead Bulb Replacement first. The brake/tail light bulb holder can be located underneath the rear mudguard. Rotate the bulb holder counter-clockwise to release it from the lamp body.

  • Page 117: Cleaning

    Maintenance and Adjustment To remove the bulb, gently press inwards and Cleaning twist counter-clockwise. Frequent, regular cleaning is an essential part of the maintenance of your motorcycle. If regularly cleaned, the appearance will be preserved for many years. Cleaning with cold water containing an automotive cleaner is essential at all times but particularly so after exposure to sea breezes, sea water, dusty or...

  • Page 118: Where To Be Careful

    Maintenance and Adjustment surfaces, if the same sponge or cleaning After Washing cloths are used. Remove the plastic bags and tape, and clear the air intakes. Where to be Careful Lubricate the pivots, bolts and nuts. Avoid spraying water with any great force Test the brakes before motorcycle operation.

  • Page 119: Unpainted Aluminum Items

    Maintenance and Adjustment Unpainted Aluminum Items Windshield Cleaning (if fitted) Items such as brake and clutch levers, wheels, engine covers, engine cooling fins, top and bottom yokes on some models must be correctly cleaned preserve their appearance. Please contact your dealer if you Clean the windshield with a solution of mild are unsure which components on your soap or detergent and lukewarm water.

  • Page 120: Cleaning Of The Exhaust System

    Maintenance and Adjustment Washing Prepare a mixture of cold water and mild Warning automotive cleaner. Do not use a highly Never attempt to clean the windshield alkaline soap commonly found while the motorcycle is in motion as commercial car washes because it leaves a releasing the handlebars may cause loss of residue.

  • Page 121: Care Of Leather Panniers (If Fitted)

    • Gently clean any minor marks with a long life of your product. damp cloth then leave the product Your Triumph leather product is a natural naturally room product and lack of care can result in damage temperature.
  • Page 122 Maintenance and Adjustment This page intentionally left blank...

  • Page 123: Storage

    Make sure the cooling system is filled with a stabilizer (if available), following the fuel 50% mixture of coolant (noting that HD4X stabilizer manufacturer’s instructions. Hybrid OAT coolant, as supplied by Triumph, is pre-mixed and requires no dilution) and distilled water solution (see page 81). Warning...
  • Page 124 Storage Preparation after Storage Crank the engine on the starter motor several times until the oil pressure light goes out. Install the battery (if removed) (see page 110). Replace the spark plugs, tightening to If the motorcycle has been stored for more 15 lbf ft (20 Nm), and start the engine.

  • Page 125: Specifications

    Specifications SPECIFICATIONS Dimensions Dimensions Thunderbird Commander Thunderbird LT Overall Length 96. 1 in (2442 mm) 100.2 in (2546 mm) Overall Width 38.9 in (990 mm) 37.6 in (956mm) Standard windshield53.7 in (1364 mm) Overall Height 48.2 in (1225 mm) Tall windshield 59.0 in (1500 mm)
  • Page 126 Specifications Engine Thunderbird Commander and Thunderbird LT Type Liquid cooled parallel twin, 270° firing angle Displacement 103.7 cu in (1699 cc) Bore x Stroke 4.022 x 3.71 in (107. 1 x 94.3 mm) Compression Ratio 9.7:1 Cylinder Sequence Left to right...
  • Page 127 Specifications Cooling Thunderbird Commander and Thunderbird LT Coolant Type Triumph HD4X Hybrid OAT coolant Water/Coolant Ratio 50/50 (pre-mixed as supplied by Triumph) Coolant Capacity 2.55 litres (0.67 US gal) Thermostat Opens (nominal) 82°C (179°F) Fuel System Type Sequential electronic fuel injection...
  • Page 128 Specifications Transmission Thunderbird Commander and Thunderbird LT Transmission Type 6 speed, constant mesh with transmission damper Clutch Type Wet, multi-plate Final Drive Toothed belt Primary Drive Ratio 1.440:1 (85/59) Gear Ratio: 2.875:1 (46/16) 1.958:1 (47/24) 1.536:1 (43/28) 1.219:1 (39/32) 1.029:1 (35/34) 0.909:1 (30/33)
  • Page 129 Specifications Tires Thunderbird Commander Thunderbird LT Tire Pressures (Cold) Option 1 Front....36 lbs/in (2.48 bar) 36 lbs/in (2.48 bar) Rear ....
  • Page 130 Note: • The option 2 tires for Thunderbird LT listed in the table above may not have the text 'ON TUBE TYPE RIM FIT A TUBE' printed on them. These tires are suitable for use with an inner tube and can be fitted to...
  • Page 131 Specifications Electrical Equipment Thunderbird Commander Thunderbird LT Battery 12 Volt, 18Ah 12 Volt, 18Ah 42 Amps at 2,000 rpm 42 Amps at 2,000 rpm Alternator 45 Amps at 6,000 rpm 45 Amps at 6,000 rpm 2 x 12 Volt, 60/55 watt H4...
  • Page 132 Specifications Tightening Torques Thunderbird Commander and Thunderbird LT Oil Filter 7 lbs ft (10 Nm) Sump Plug 18 lbs ft (25 Nm) Spark Plug 15 lbs ft 20 Nm)( Fluids and Lubricants Semi or fully synthetic 10W/40 or 10W/50 motorcycle...
  • Page 133 Index INDEX Cooling ......127 Cooling System ..... 81 Accessories, Loading and Passengers .
  • Page 134 Index Gears Rider Seat Removal....47 Changing ..... . 58 Right Handlebar Switches.
  • Page 135 Index Tires Minimum Tread Depth ..104 Warnings ......1 Replacement .
  • Page 136 Index This page intentionally left blank...

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