| JAWA 250 | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| Air-cooled, two-stroke, parallel twin cylinder | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 246 cm3 | - |
| Bore X Stroke | |
| 2.0x2.3 in OR 51 mm | - |
| Compression Ratio | |
| 9.2:1 | - |
| Horsepower | |
| 17/5250 KW(hp)/RPM | 48/- KW(hp)/RPM |
| Fuel System | |
| Carburetor | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 4-Speed, manual | - |
| Clutch | |
| Wet multi discs | - |
| Final Drive | |
| Chain | - |
| chassis specs | |
| Frame | |
|---|---|
| Steel | Aluminium frame |
| Front Suspension | |
| Telescopic fork | - |
| Rear Suspension | |
| Dual shocks | - |
| Front Brake | |
| Drum | - |
| Rear Brake | |
| Drum | - |
| dimension specs | |
| Weight | |
|---|---|
| 317 lbs OR 144 kg | 351 lbs OR 159 kg |
| tyres specs | |
| Front | |
|---|---|
| 3.25 -18 | - |
| Rear | |
| 3.50 -18 | - |
