| Attribute | AJS NAC12 125 MK2 2015 × | Sachs Roadster 125 2003 × |
|---|---|---|
| General | ||
| Production from (year) | 2015 | 2003 |
| Make | AJS | Sachs |
| Model | AJS NAC12 125 MK2 | Sachs Roadster 125 |
| Category | Sport | Naked bike |
| Engine and transmission | ||
| Engine type | Twin, four-stroke | V2, four-stroke |
| Fuel system | Carburettor | - |
| Engine details | Balance shaft | - |
| Displacement (cm³) | 124 | 124 |
| Power (kw) | 8.3 | 9.8 |
| Cooling system | Liquid | - |
| Transmission type,final drive | Chain | - |
| Torque (Nm) | - | 9.9 |
| Bore (mm) | 44 | - |
| Stroke (mm) | 40 | - |
| Gearbox | 5-speed | - |
| Emission details | Euro 3 | - |
| Ignition | Coil CDI | - |
| Clutch | Wet, multiplate | - |
| Chassis | ||
| Front suspension | Telescopic fork | - |
| Rear suspension | Twin reservoir shocks | - |
| Front brakes | Double disc | - |
| Rear brakes | Single disc | - |
| Front tyre | 100/80-17 | - |
| Rear tyre | 130/70-17 | - |
| Wheels | Alloy wheels | - |
| Other | ||
| Starter | Electric | - |
| Color options |
| - |
| Instruments | Analogue | - |
| Dimensions | ||
| Wheelbase (mm) | 1,510 | 1,495 |
| Dry weight (kg) | 153 | 133 |
| Power/weight ratio | 0.0542 | 0.0737 |
| Seat height (mm) | 770 | 760 |
| Performance | ||
| Reserve fuel capacity (l) | - | 3 |
| Fuel capacity (l) | 18 | 20 |