Comparison of Triumph Speedmaster 2007 and Triumph Thunderbird Sport 2003 [S]ave
| Attribute |  Triumph Speedmaster 2007 × |  Triumph Thunderbird Sport 2003 × |
|---|---|---|
| General | ||
| Production from (year) | 2007 | 2003 |
| Make | Triumph | Triumph |
| Model | Triumph Speedmaster | Triumph Thunderbird Sport |
| Category | Custom / cruiser | Classic |
| Engine and transmission | ||
| Engine type | Twin, four-stroke | In-line three, four-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 865 | 885 |
| Power (kw) | 40.1 | 60.6 |
| Cooling system | Air | Liquid |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | 69 | 76 |
| Bore (mm) | 90 | 76 |
| Stroke (mm) | 68 | 65 |
| Gearbox | 5-speed | 6-speed |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | Digital - inductive type | - |
| Clutch | Wet. multi-plate | - |
| Compression | 9.2:1 | 10.0:1 |
| Chassis | ||
| Front suspension | 41mm forks | - |
| Rear suspension | Chromed spring twin shocks with adjustable preload | - |
| Front brakes | Double disc | Double disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 285 | 285 |
| Frame type | Tubular steel cradle | - |
| Front tyre | 110/80-18 | 110/70-R 17 |
| Rear tyre | 170/80-15 | 160/70-R 17 |
| Rake (fork angle) (degree) | 33.3 | - |
| Other | ||
| Starter | Electric | - |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,655 | 1,580 |
| Dry weight (kg) | 228 | 224 |
| Power/weight ratio | 0.1754 | 0.2705 |
| Overall height (mm) | 1,160 | 1,105 |
| Overall length (mm) | 2,420 | 2,320 |
| Overall width (mm) | 830 | 700 |
| Seat height (mm) | 720 | 790 |
| Performance | ||
| Fuel capacity (l) | 16.65 | 15 |
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