The Triumph Speedmaster Roadster is a motorcycle produced between 2005-06. It has a four stroke, parallel twin engine with a capacity of 865 cc and a compression ratio of 9.2:1. The engine also features 2 carburetors with throttle position sensors and electric carburetor heaters. The ignition is digital and inductive type, and the bike starts electrically. The maximum power output is 40.3 kW / 54 hp @ 6750 rpm, with maximum torque of 69 Nm / 7.0 kgf-m / 51 ft.-lb @ 4800 rpm. The gearbox is a 5-speed transmission and the final drive is via chain. The bike has a wet, multi-plate clutch and a tubular steel cradle frame with twin-sided, tubular steel swingarm. The front suspension is a 41mm telescopic fork with chromed spring twin shocks for the rear and adjustable preload. The front brakes consist of 2 x 310 mm discs with 2 piston calipers and a single 285 mm disc with a 2 piston caliper for the rear. The front tire is 110/80-18 and the rear tire is 170/80-15. The seat height is 719 mm / 28.3 in, and the dry weight of the bike is 229 kg / 504 lbs. The fuel capacity is 16.6 Litres / 4.4 US gal / 3.65 Imp gal.
Technical specifications:
Make Model: Triumph Speedmaster Roadster
| Year | 2005 – 06 |
|---|---|
| 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 | 2 x Carburetors with throttle position sensor and electric carburetor heaters |
| Ignition | Digital inductive type |
| Starting | Eectric |
| Max Power | 40.3 kW / 54 hp @ 6750 rpm |
| Max Torque | 69 Nm / 7.0 kgf-m / 51 ft.-lb @ 4800 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 |
| Fuel Capacity | 16.6 Litres / 4.4 US gal / 3.65 Imp gal |
