Triumph Thruxton (2009) vs Triumph Speedmaster Roadster (2009-10)
Comparison technical specifications
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| Make: | Triumph | Triumph |
| Model: | Thruxton | Speedmaster Roadster |
| Years: | 2009 | 2009-10 |
| Engine: | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder | Four stroke, parallel twin, DOHC, 4 valves per cylinder |
| Capacity: | 865 cc / 57.8 cu in | 865 cc / 52.8 cu in |
| Bore x Stroke: | 88.9 x 68.6 mm | 90 x 68 mm |
| Cooling System: | Air-cooled | Air cooled |
| Compression Ratio: | 9.9:1 | 9.2:1 |
| Induction: | Twin carburetors, with throttle position sensor and electric carburettor heaters | Multipoint sequential electronic fuel injection with SAI |
| Ignition: | Digital | Digital inductive type |
| Starting: | Electric | Electric |
| Max Power: | 51.5 kW / 69 hp @ 7250 rpm | 45.5 kW / 61 hp @ 6800 rpm |
| Max Torque: | 71.8 Nm / 7.3 kgf-m / 53ft.lbf @ 5750 rpm | 74.5 Nm / 7.6 kgf-m / 55 ft.-lb @ 3300 rpm |
| Clutch: | Wet, multi-plate | Wet, multi-plate |
| Transmission: | 5 speed | 5 Speed |
| Final Drive: | X-ring chain | Chain |
| Frame: | Tubular steel cradle, twin sided swingarm, tubular steel | Tubular steel cradle. Swingarm: twin-sided, tubular steel |
| Front Suspension: | 41 mm Forks with adjustable preload | 41mm Telescopic forks |
| Rear Suspension: | Chromed spring twin shocks with adjustable preload | Chromed spring twin shocks with adjustable preload |
| Front Brakes: | Single 320mm floating disc, 2 piston caliper | 2 x 310 mm Discs, 2 piston calipers |
| Rear Brakes: | Single 255mm disc, 2 piston caliper | Single 285 mm disc, 2 piston caliper |
| Front Tyre: | 100/90 R18 | 110/80-18 |
| Rear Tyre: | 130/80 R17 | 170/80-15 |
| Seat Height: | 790 mm / 31.1 in | 719 mm / 28.3 in |
| Dry Weight: | 205 kg / 451 lbs | 229 kg / 504 lbs |
| Fuel Capacity: | 16 Litres / 4.2 US gal / 3.5 Imp gal | 16.6 Litres / 4.4 US gal / 3.65 Imp gal |