| Attribute | Yamaha DT 50 MX 1981 × | Derbi GP 1 Racing × |
|---|---|---|
| General | ||
| Production from (year) | 1981 | 2006 |
| Make | Yamaha | Derbi |
| Model | Yamaha DT 50 MX | Derbi GP 1 Racing |
| Category | Enduro / offroad | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 50 | 49 |
| Power (kw) | 2.3 | - |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Shaft drive (cardan) |
| Gearbox | 4-speed | - |
| Fuel control | Membrane | - |
| Ignition | key | Electronic CDI |
| Clutch | wet plate | - |
| Lubrication system | oil pump | Oil pump |
| Chassis | ||
| Rear suspension | monoshock | - |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | - |
| Frame type | tube welding | - |
| Other | ||
| Color options | - |
|
| Performance | ||
| Fuel capacity (l) | 8 | 7 |
| Oil capacity (l) | 0.7 | - |