Comparison of Aprilia RS 50 2002 and Derbi GPR 50 2004 [S]ave
| Attribute |  Derbi GPR 50 2004 × |  Aprilia RS 50 2002 × |
|---|---|---|
| General | ||
| Production from (year) | 2004 | 2002 |
| Make | Derbi | Aprilia |
| Model | Derbi GPR 50 | Aprilia RS 50 |
| Category | Sport | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 49.9 | 49.7 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 39.9 | 40.3 |
| Stroke (mm) | 40 | 39 |
| Gearbox | 6-speed | 6-speed |
| Compression | 13.0:1 | 12.0:1 |
| Chassis | ||
| Front suspension | Inverted hydraulic fork, 35 mm | - |
| Rear suspension | Progressive single absorber | - |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Single disc |
| Diameter (mm) | 220 | 220 |
| Front tyre | 90/80-17 | 90/80-17 |
| Rear tyre | 110/80-17 | 110/80-17 |
| Front wheel travel (mm) | 95 | 110 |
| Rear wheel travel (mm) | 31 | 110 |
| Other | ||
| Starter | - | Kick |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,303 | 1,280 |
| Dry weight (kg) | - | 89 |
| Overall height (mm) | 1,135 | 1,090 |
| Overall length (mm) | 1,900 | 1,875 |
| Overall width (mm) | 670 | 640 |
| Performance | ||
| Reserve fuel capacity (l) | - | 2.5 |
| Fuel capacity (l) | 7.25 | 12.2 |
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