Triumph Speedmaster (2003-04)

The Triumph Speedmaster Roadster was made from 2003-2004 and had a four stroke, parallel twin, DOHC engine with 4 valves per cylinder and a capacity of 790 cc. It had a compression ratio of 9.2:1 and was air cooled with 2 electronic carburetors. The ignition and starting were digital inductive type. Its maximum power was 45.2 kW / 62 hp at 7400 rpm and the maximum torque was 60 Nm / 6.1 kgf-m / 40.6 lb-ft at 3500 rpm. The motorcycle had a 5-speed transmission with a chain final drive. The frame was tubular steel cradle with a twin-sided, tubular steel swingarm. The front suspension was 41mm telescopic forks and the rear suspension was chromed spring twin shocks with adjustable preload. The front brakes were 2 x 310mm discs with 2 piston calipers and the rear brakes were a single 285mm disc with a 2 piston caliper. The front tire was 110/80-18 and the rear tire was 170/80-15. Its dry weight was 229 kg / 504 lbs and its fuel capacity was 16.6 Liters / 4.4 US gal / 3.65 Imp gal.

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Technical specifications:

Make Model: Triumph Speedmaster Roadster

Year: 2003 – 04

Engine: Four stroke, parallel twin, DOHC, 4 valves per cylinder

Capacity: 790 cc / 48.2 cu in

Bore x Stroke: 86 x 68 mm

Compression Ratio: 9.2:1

Cooling System: Air cooled

Induction: 2 x Electronic carburetors

Ignition / Starting: Digital inductive type

Max Power: 45.2 kW / 62 hp @ 7400 rpm

Max Torque: 60 Nm / 6.1 kgf-m / 40.6 [email protected] 3500 rpm

Transmission: 5 Speed

Final Drive: Chain

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 310mm Discs, 2 piston calipers

Rear Brakes: Single 285 mm disc, 2 piston caliper

Front Tyre: 110/80-18

Rear Tyre: 170/80-15

Dry Weight: 229 kg / 504 lbs

Fuel Capacity: 16.6 Litres / 4.4 US gal / 3.65 Imp gal