2011 Triumph Speedmaster Roadster technical specifications

Technical specifications

Model: Speedmaster Roadster
Years: 2011-12
Engine: Four stroke, parallel twin, DOHC, 4 valves per cylinder
Capacity: 865 cc / 52.8 cu in
Bore x Stroke: 90 x 68 mm
Compression Ratio: 9.2:1
Cooling System: Air cooled
Induction: Multipoint sequential electronic fuel injection with SAI
Ignition: Digital inductive type
Starting: Electric
Max Power: 45.5 kW / 61 hp @ 6800 rpm
Max Torque: 74.5 Nm / 7.6 kgf-m / 55 ft.-lb @ 3300 rpm
Transmission: 5 Speed
Final Drive: Chain, X-ring
Clutch: Wet, multi-plate
Frame: Tubular steel cradle. Swingarm: twin-sided, tubular steel
Front Suspension: Kayaba 41mm telescopic forks with polished lowers
Front Wheel Travel: 120 mm / 4.7 in
Rear Suspension: Kayaba chromed spring twin shocks with adjustable preload
Rear Wheel Travel: 96 mm / 3.8 in
Front Brakes: Single 310 mm disc, 2 piston Nissen floating calipers
Rear Brakes: Single 285 mm disc, 2 piston Nissen floating caliper
Front Wheel: 2.50 x 19, Cast aluminium alloy, 5-spoke
Rear Wheel: 4.00 x 15, Cast aluminium alloy, 5-spoke
Front Tyre: 100/90-R19
Rear Tyre: 170/80-B15
Rake: 33.4o
Trail: 168 mm / 6.6 in
Dimensions: Length: 2365 mm / 93.1 in Width: 831 mm / 32.7 in Height: 1168 mm / 46.0 in
Wheelbase: 1598 mm / 62.9 in
Seat Height: 690 mm / 27.1 in
Dry Weight: 250 kg / 550 lbs
Fuel Capacity: 19.3 Litres / 5.1 US gal / 4.25 Imp gal

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