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| Model | Derbi GPR 50 R |
| Year | 2011 |
| Price as new | Euro 3559. MSRP depends on country, taxes, accessories, etc. |
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| Displacement | 49.9 ccm (3.04 cubic inches) |
| Engine type | Single cylinder, two-stroke |
| Power | 8.5 HP (6.2 kW) @ 10000 RPM |
| Torque | 5.9 Nm (0.6 kgf-m or 4.4 ft.lbs) @ 9000 RPM |
| Compression | 11.5:1 |
| Bore x stroke | 39.9 x 40.0 mm (1.6 x 1.6 inches) |
| Fuel system | Carburettor. 17.5 mm |
| Fuel control | Single Overhead Cams (SOHC) |
| Ignition | C.D.I. |
| Lubrication system | Mechanical oil pump |
| Cooling system | Liquid |
| Gearbox | 6-speed |
| Transmission type | Chain (final drive) |
| Clutch | Multi-plate |
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| Frame type | Tubular steel cradle |
| Front suspension | 40 mm. hydraulic fork. |
| Front wheel travel | 110 mm (4.3 inches) |
| Rear suspension | Monoshock. |
| Rear wheel travel | 120 mm (4.7 inches) |
| Front tire | 100/80-17 |
| Rear tire | 130/70-17 |
| Front brakes | Single disc |
| Diameter | 300 mm (11.8 inches) |
| Rear brakes | Single disc |
| Diameter | 218 mm (8.6 inches) |
| Dry weight | 110.0 kg (242.5 pounds) |
| Weight incl. oil, gas, etc | 121.0 kg (266.8 pounds) |
| Power/weight ratio | 0.0768 HP/kg |
| Overall height | 1116 mm (43.9 inches) |
| Overall length | 2015 mm (79.3 inches) |
| Overall width | 720 mm (28.3 inches) |
| Wheelbase | 1360 mm (53.5 inches) |
| Fuel capacity | 13.00 litres (3.43 US gallons) |
| Reserve fuel capacity | 1.50 litres (0.40 US gallons) |
| Oil capacity | 1.50 litres (1.59 US quarts) |
