Triumph Thunderbird User Manual

85
Maintenance and Adjustment
Final Drive Belt Tension Adjustment
Note:
• Always adjust drive belt tension at
the tightest point in the drive belt.
• Always adjust drive belt tension
with the motorcycle engine and
drive belt cold.
1. Wheel spindle nut
2. Adjuster nut
3. Adjuster locknut
4. Adjuster markings
5. Axle adjuster marking
• Loosen the wheel spindle nut.
• Release the locknuts on both the left
hand and right hand adjusters.
• Moving both adjusters by an equal
amount, turn the adjuster nuts
clockwise to increase drive belt
tension and counter clockwise to
decrease drive belt tension.
• When the correct amount of drive
belt tension has been set, push the
wheel into firm contact with the
adjuster. Ensure the axle adjuster
marking is aligned with the same
adjuster marking on both sides of
the swinging arm.
• Tighten both adjuster locknuts to
27 Nm and the rear wheel spindle
nut to 110 N m .
• Repeat the drive belt tension check
(see page 81 ). Re-adjust if necessary.
5
1
3
2
4
s
Warning
Operation of the motorcycle with insecure
adjuster locknuts or a loose wheel spindle
may result in impaired stability and
handling of the motorcycle. This impaired
stability and handling may lead to loss of
control or an accident.

Triumph Thunderbird Specifications

General

Manufacturer	Triumph
Displacement	1699 cc
Bore x Stroke	107.1 mm x 94.3 mm
Compression Ratio	9.7:1
Clutch	Wet, multi-plate
Gearbox	6-speed
Frame	Tubular steel, twin spine
Front Tyre	120/70 R19
Rear Tyre	200/50 R17
Seat Height	700 mm
Fuel System	Fuel injection
Final Drive	Belt
Front Suspension	Telescopic forks
Rear Suspension	Twin shocks, adjustable preload
Front Brakes	Twin 310mm floating discs
Rear Brakes	Brembo 2-piston caliper
Fuel Tank Capacity	22 L
Power	97 hp (72 kW) @ 5900 rpm