Comparison of Aprilia RS 50 2012 and Derbi GPR 50 Racing 2009 [S]ave
| Attribute |  Aprilia RS 50 2012 × |  Derbi GPR 50 Racing 2009 × |
|---|---|---|
| General | ||
| Production from (year) | 2012 | 2009 |
| Make | Aprilia | Derbi |
| Model | Aprilia RS 50 | Derbi GPR 50 Racing |
| Category | Sport | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. Dell Orto VHST 28. | Carburettor |
| Displacement (cm³) | 49.9 | 49 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 39.9 | 39.9 |
| Stroke (mm) | 40 | 40 |
| Gearbox | 6-speed | 6-speed |
| Emission details | Euro 2 | - |
| Driveline | Primary drive: Gears. Ratio: 21/78. Final drive: Chain. Ratio: 14/53 | - |
| Ignition | Elettronica C.D.I. | - |
| Clutch | Multi-plate | Multi-disc |
| Lubrication system | Automatic mixer | - |
| Compression | 11.5:1 | 11.5:1 |
| Chassis | ||
| Front suspension | 40 mm upside down fork | 40 mm upside-down fork. |
| Rear suspension | Double reinforced member aluminium swingarm with bracing arch | Monoshock. |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 180 | 180 |
| Frame type | Twin spar aluminium frame | - |
| Front tyre | 110/80-17 | 100/80-17 |
| Rear tyre | 130/70-17 | 130/70-17 |
| Front wheel travel (mm) | 120 | 110 |
| Rear wheel travel (mm) | 110 | 110 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
|
|
| Electrical Voltage (V) | 12 | - |
| Dimensions | ||
| Wheelbase (mm) | 1,310 | 1,310 |
| Overall height (mm) | 1,138 | 1,116 |
| Overall length (mm) | 1,965 | 1,961 |
| Overall width (mm) | 720 | 720 |
| Seat height (mm) | 820 | 845 |
| Performance | ||
| Reserve fuel capacity (l) | 3.5 | - |
| Fuel capacity (l) | 14.5 | 13 |
| Oil capacity (l) | - | 1.5 |
| Battery capacity (Ah) | 4 | - |
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