Comparison of Derbi GP1 250 2006 and Enfield Thunderbird 500 2014 [S]ave
| Attribute |  Enfield Thunderbird 500 2014 × |  Derbi GP1 250 2006 × |
|---|---|---|
| General | ||
| Production from (year) | 2014 | 2006 |
| Make | Enfield | Derbi |
| Model | Enfield Thunderbird 500 | Derbi GP1 250 |
| Category | Classic | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | - | 4 |
| Fuel system | Injection. Keihin Electronic Fuel Injection | Carburettor. Keihin CVK 303 A |
| Engine details | Twin spark | - |
| Displacement (cm³) | 499 | 248.2 |
| Power (kw) | 19.9 | - |
| Cooling system | Air | Liquid |
| Transmission type,final drive | Chain | - |
| Torque (Nm) | 41.3 | - |
| Bore (mm) | 84 | 72 |
| Stroke (mm) | 90 | 60 |
| Gearbox | 5-speed | - |
| Fuel control | Overhead Valves (OHV) | - |
| Ignition | Digital Electronic Ignition | - |
| Clutch | Wet mulitiplate | Automatic |
| Lubrication system | Wet sump | Oil pump |
| Compression | 8.5:1 | 10.5:1 |
| Chassis | ||
| Front suspension | Telescopic fork | Upside down hydraulic fork |
| Rear suspension | Twin gas charged shock absorbers with 5-step adjustable preload | Single shock |
| Front brakes | Single disc. 2-piston calipers | Single disc |
| Rear brakes | Single disc. Single-piston | Single disc |
| Diameter (mm) | 240 | 240 |
| Frame type | Single downtube, using engine as stressed member | - |
| Front tyre | 90/90-19 | 120/70-14 |
| Rear tyre | 120/80-18 | 140/60-14 |
| Wheels | MRF Zapper FM | - |
| Front wheel travel (mm) | 130 | 100 |
| Rear wheel travel (mm) | 80 | - |
| Other | ||
| Starter | Electric & kick | Electric |
| Color options |
|
|
| Light | Projection type headlamp, H7 55 / 55 W | - |
| Dimensions | ||
| Wheelbase (mm) | 1,350 | 1,374 |
| Dry weight (kg) | 195 | 110 |
| Power/weight ratio | 0.1021 | - |
| Overall height (mm) | 1,300 | 1,228 |
| Overall length (mm) | 2,060 | 1,940 |
| Overall width (mm) | 895 | 800 |
| Performance | ||
| Fuel capacity (l) | 20 | - |
| Battery capacity (Ah) | 14 | - |
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