Triumph Thunderbird Commander Handbook

Specifications
121
Thunderbird Commander and Thunderbird LT
Cooling
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
Fuel Pump . . . . . . . . . . . . . . . . Submerged electric
Fuel Pressure . . . . . . . . . . . . . . 3.5 bar (50.7 lbs/in
2
)
Fuel
Type . . . . . . . . . . . . . . . . . . . . . 91 RON unleaded
Tank Capacity . . . . . . . . . . . . . 21.7 litres (5.73 US gal)
Ignition
Ignition System . . . . . . . . . . . . Digital electronic
Spark Plug . . . . . . . . . . . . . . . . NGK DPR6EA-9, 2 per cylinder
Gap . . . . . . . . . . . . . . . . . . . . . 0.9 mm (0.035 in)

Triumph Thunderbird Commander Specifications

General

Displacement	1699 cc
Bore x Stroke	107.1 mm x 94.3 mm
Compression Ratio	9.7:1
Max Torque	151 Nm @ 3550 rpm
Clutch	Wet, multi-plate
Gearbox	6-speed
Rear Brakes	Single 310mm disc, 2-piston caliper
Seat Height	700 mm
Fuel Tank Capacity	22 litres
Engine Type	Liquid-cooled, DOHC, parallel-twin
Fuel System	Electronic fuel injection
Exhaust	Chrome 2-into-1-into-2 system
Final Drive	Belt
Front Suspension	Telescopic forks
Rear Suspension	Twin shocks, adjustable preload
Front Brakes	Twin 310mm discs, 4-piston calipers
Weight	308 kg
Power	93 bhp