| Attribute | AJS Model 14 250 1965 × | Adler M 250 1953 × |
|---|---|---|
| General | ||
| Production from (year) | 1965 | 1953 |
| Make | AJS | Adler |
| Model | AJS Model 14 250 | Adler M 250 |
| Category | Sport | Custom / cruiser |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Twin, two-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 248 | 250 |
| Power (kw) | 12.4 | 11.7 |
| Fuel consumption (l/100km) | - | 5.7 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | - |
| Bore (mm) | 69.9 | 54 |
| Stroke (mm) | 64.9 | 54 |
| Gearbox | - | 4-speed |
| Greenhouse gases | - | 132.2 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel control | Overhead Valves (OHV) | - |
| Clutch | Wet multiplate | Wet multiplate |
| Compression | 7.8:1 | - |
| Chassis | ||
| Front suspension | Telescopic | - |
| Rear suspension | Swingarm-two shocks | - |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 152 | 180 |
| Frame type | Open tubular steel | Semi double cradle |
| Front tyre | 3.25-17 | - |
| Rear tyre | 3.25-17 | - |
| Seat | Dual | Single spring-mounted |
| Wheels | Spoked | - |
| Other | ||
| Starter | Kick | Kick |
| Dimensions | ||
| Dry weight (kg) | 149 | 135 |
| Power/weight ratio | 0.0832 | 0.0867 |
| Performance | ||
| Fuel capacity (l) | 12.5 | 12 |