| Attribute | Derbi GPR Nude 50 × | MBK Flame X 125 × |
|---|---|---|
| General | ||
| Production from (year) | 2007 | 2009 |
| Make | Derbi | MBK |
| Model | Derbi GPR Nude 50 | MBK Flame X 125 |
| Category | Naked bike | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor. Dell´Ortho PHVA 14 | Carburettor. CVK24 |
| Displacement (cm³) | 49.9 | 125 |
| Power (kw) | - | 7.8 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Shaft drive (cardan) | Belt |
| Torque (Nm) | - | 9.3 |
| Bore (mm) | - | 52.4 |
| Stroke (mm) | - | 57.9 |
| Gearbox | 6-speed | - |
| Ignition | Electronic C.D.I. | TCI |
| Lubrication system | Oil pump | Wet sump |
| Compression | 11.5:1 | 10.0:1 |
| Chassis | ||
| Front suspension | Inverted fork. | Telescopic fork |
| Rear suspension | Monoshock | Unit swing |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Diameter (mm) | 180 | 150 |
| Front tyre | 110/80-17 | 110/70-12 |
| Rear tyre | 130/70-17 | 120/70-12 |
| Front wheel travel (mm) | 120 | 100 |
| Rear wheel travel (mm) | 110 | 105 |
| Other | ||
| Starter | Electric | Electric & kick |
| Color options |
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|
| Dimensions | ||
| Wheelbase (mm) | 1,311 | 1,295 |
| Overall length (mm) | 1,961 | 1,855 |
| Seat height (mm) | 800 | 785 |
| Performance | ||
| Fuel capacity (l) | 13 | 7.1 |