Comparison of Triumph Bonneville 2003 and Triumph Thunderbird 2002 [S]ave
| Attribute |  Triumph Thunderbird 2002 × |  Triumph Bonneville 2003 × |
|---|---|---|
| General | ||
| Production from (year) | 2002 | 2003 |
| Make | Triumph | Triumph |
| Model | Triumph Thunderbird | Triumph Bonneville |
| Category | Naked bike | Classic |
| Engine and transmission | ||
| Engine type | In-line three, four-stroke | Twin, four-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 885 | 790 |
| Power (kw) | 50.4 | 45.3 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | - | Chain |
| Torque (Nm) | 70 | 60 |
| Bore (mm) | 76 | 86 |
| Stroke (mm) | 65 | 68 |
| Gearbox | 6-speed | 5-speed |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Double Overhead Cams/Twin Cam (DOHC) |
| Compression | 10.0:1 | 9.2:1 |
| Chassis | ||
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 285 | 255 |
| Front tyre | - | 100/90-R 19 |
| Rear tyre | - | 130/80-R 17 |
| Dimensions | ||
| Wheelbase (mm) | 1,580 | 1,493 |
| Dry weight (kg) | 220 | 205 |
| Power/weight ratio | 0.2291 | 0.221 |
| Overall height (mm) | 1,150 | 1,105 |
| Overall length (mm) | 2,250 | 2,250 |
| Overall width (mm) | 810 | 860 |
| Seat height (mm) | 776 | 775 |
| Performance | ||
| Fuel capacity (l) | 15 | 16 |
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