The Triumph Speedmaster Roadster, released in 2009-10, is a four stroke, parallel twin, DOHC motorcycle with a capacity of 865 cc. The bike has a bore and stroke of 90 x 68 mm and a compression ratio of 9.2:1. The Speedmaster Roadster uses air cooling and multipoint sequential electronic fuel injection with SAI for induction. The motorcycle is started electrically and is powered by a maximum power output of 45.5 kW / 61 hp @ 6800 RPM and a maximum torque of 74.5 Nm / 7.6 kgf-m / 55 ft.-lb @ 3300 RPM. The transmission of the bike is a 5 speed manual, with the final drive using a chain. The Triumph Speedmaster Roadster has a tubular steel cradle frame and twin-sided, tubular steel swingarm. The front suspension is a 41mm telescopic fork, while the rear suspension is chromed spring twin shocks with adjustable preload. The front brakes are two 310mm discs with two piston calipers, and the rear is a single 285mm disc with a two piston caliper. The front tire measures 110/80-18, and the rear tire is 170/80-15. The bike has a seat height of 719mm / 28.3in and a dry weight of 229 kg / 504 lbs.
Make Model: Triumph Speedmaster Roadster
Year: 2009 – 10
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
Clutch: Wet, multi-plate
Frame: Tubular steel cradle. Swingarm: twin-sided, tubular steel
Front Suspension: 41mm Telescopic forks
Rear Suspension: Chromed spring twin shocks with adjustable preload
Front Brakes: 2 x 310 mm Discs, 2 piston calipers
Rear Brakes: Single 285 mm disc, 2 piston caliper
Front Tyre: 110/80-18
Rear Tyre: 170/80-15
Seat Height: 719 mm / 28.3 in
Dry Weight: 229 kg / 504 lbs
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