Triumph Speedmaster Roadster (2011-12)

The Triumph Speedmaster Roadster is a motorcycle that was produced between 2011 and 2012. Its engine is a four-stroke, parallel twin with a capacity of 865cc and a bore x stroke of 90 x 68 mm. It has a compression ratio of 9.2:1 and is cooled by air. The bike features multipoint sequential electronic fuel injection with SAI and a digital inductive type ignition system. The maximum power output of the motorcycle is 45.5 kW / 61 hp at 6800 rpm, and the maximum torque is 74.5 Nm / 7.6 kgf-m / 55 ft.-lb at 3300 rpm.

The Speedmaster Roadster has a five-speed transmission and a final drive that uses a chain, X-ring. The clutch is wet and multi-plate. The motorcycle’s frame is constructed of tubular steel cradle, and its swingarm is twin-sided and tubular steel. The front suspension of the bike is composed of Kayaba 41mm telescopic forks with polished lowers, while the rear suspension is Kayaba chromed spring twin shocks with adjustable preload. The front brakes feature a single 310mm disc and 2 piston Nissen floating calipers, and the rear brakes have a single 285mm disc with a 2 piston Nissen floating caliper.

The Roadster has a cast aluminium alloy, 5-spoke wheels with a front size of 2.50 x 19 and a rear size of 4.00 x 15. The front tire is 100/90-R19, and the rear tire is 170/80-B15. The rake of the motorcycle is 33.4o, and the trail is 168 mm / 6.6 in.

In terms of dimensions, the bike is 2365mm / 93.1 in in length, 831mm / 32.7 in in width, and 1168mm / 46.0 in in height. Its wheelbase is 1598 mm / 62.9 in, and the seat height is 690 mm / 27.1 in. The dry weight of the Speedmaster Roadster is 250 kg / 550 lbs, and it has a fuel capacity of 19.3 Litres / 5.1 US gal / 4.25 Imp gal.

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Technical specifications:

Make Model: Triumph Speedmaster Roadster

Year: 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