| Attribute | AJS YX-R-125 × | Megelli 125 s × |
|---|---|---|
| General | ||
| Production from (year) | 2008 | 2008 |
| Make | AJS | Megelli |
| Model | AJS YX-R-125 | Megelli 125 s |
| Category | Enduro / offroad | Naked bike |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, two-stroke |
| Fuel system | Injection | Carburettor. Mikuni |
| Displacement (cm³) | 124 | 124.1 |
| Power (kw) | - | 8 |
| Cooling system | Air | - |
| Transmission type,final drive | Chain | - |
| Torque (Nm) | - | 9 |
| Bore (mm) | 57 | 56.5 |
| Stroke (mm) | 48.8 | 49.5 |
| Gearbox | 5-speed | - |
| Fuel control | - | Single Overhead Cams (SOHC) |
| Ignition | Coil CDI | CDI |
| Clutch | Wet, multiplate | Wet, multiplate |
| Lubrication system | - | Wet sump |
| Compression | - | 10.0:1 |
| Chassis | ||
| Front brakes | Single disc | - |
| Rear brakes | Expanding brake (drum brake) | - |
| Front tyre | - | 100/70-17 |
| Rear tyre | - | 130/70-17 |
| Other | ||
| Starter | Electric & kick | Electric |
| Dimensions | ||
| Wheelbase (mm) | 1,434 | 1,349 |
| Dry weight (kg) | 125 | 110 |
| Power/weight ratio | - | 0.0727 |
| Seat height (mm) | 865 | 800 |
| Performance | ||
| Fuel capacity (l) | 8 | - |