| Attribute | AJS YX-R-125 × | AJP PR4 Supermoto 2003 × |
|---|---|---|
| General | ||
| Production from (year) | 2008 | 2003 |
| Make | AJS | AJP |
| Model | AJS YX-R-125 | AJP PR4 Supermoto |
| Category | Enduro / offroad | Super motard |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Injection | - |
| Displacement (cm³) | 124 | 124 |
| Power (kw) | - | 9.2 |
| Cooling system | Air | - |
| Transmission type,final drive | Chain | - |
| Bore (mm) | 57 | - |
| Stroke (mm) | 48.8 | - |
| Gearbox | 5-speed | - |
| Ignition | Coil CDI | - |
| Clutch | Wet, multiplate | - |
| Chassis | ||
| Front brakes | Single disc | - |
| Rear brakes | Expanding brake (drum brake) | - |
| Other | ||
| Starter | Electric & kick | - |
| Color options | - |
|
| Dimensions | ||
| Wheelbase (mm) | 1,434 | 1,410 |
| Dry weight (kg) | 125 | 99 |
| Power/weight ratio | - | 0.0929 |
| Seat height (mm) | 865 | 850 |
| Performance | ||
| Fuel capacity (l) | 8 | 9 |