Comparison of Derbi GPR 125 Racing 2009 and Yamaha Crux R [S]ave
| Attribute |  Derbi GPR 125 Racing 2009 × |  Yamaha Crux R × |
|---|---|---|
| General | ||
| Production from (year) | 2009 | 2011 |
| Make | Derbi | Yamaha |
| Model | Derbi GPR 125 Racing | Yamaha Crux R |
| Category | Sport | Allround |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor. 28 mm | - |
| Displacement (cm³) | 124.8 | 105.6 |
| Power (kw) | - | 5.5 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 56 | 54 |
| Stroke (mm) | 50.7 | 54 |
| Gearbox | 6-speed | 4-speed |
| Fuel control | - | Single Overhead Cams (SOHC) |
| Driveline | - | 4 Speed constant mesh |
| Ignition | - | CDI |
| Clutch | Multi-plate | Multiple wet type |
| Lubrication system | Oil pump | Wet sump |
| Compression | 12.5:1 | 9.5:1 |
| Chassis | ||
| Front suspension | 40 mm upside-down fork. | Telescopic Fork, oil damped |
| Rear suspension | Monoshock. | Coil Spring, oil damped |
| Front brakes | Single disc | Expanding brake (drum brake) |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Diameter (mm) | 180 | 130 |
| Front tyre | 110/70-17 | 2.50-18 |
| Rear tyre | 140/70-17 | 2.74-18 |
| Other | ||
| Starter | Electric | Electric & kick |
| Color options |
|
|
| Electrical Voltage (V) | - | 12 |
| Dimensions | ||
| Wheelbase (mm) | 1,355 | 1,247 |
| Dry weight (kg) | 102 | 105 |
| Power/weight ratio | - | 0.0521 |
| Overall height (mm) | 1,116 | 1,055 |
| Overall length (mm) | 2,024 | 1,997 |
| Overall width (mm) | 720 | 735 |
| Performance | ||
| Fuel capacity (l) | 13 | 11 |
| Oil capacity (l) | 1.5 | - |
| Battery capacity (Ah) | - | 2.5 |
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