| YAMAHA GX 250 | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| Four stroke parallel twin-cylinder OHC 2 valve per cylinder | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 248 cm3 | - |
| Bore X Stroke | |
| 2.2x2.1 in OR 56 mm | - |
| Compression Ratio | |
| 9.6:1 | - |
| Horsepower | |
| 25/9500 KW(hp)/RPM | 48/- KW(hp)/RPM |
| Torque | |
| 14/8500 lb-ft/RPM OR 19/8500 Nm/RPM | - |
| Fuel System | |
| Carburetor | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 6-Speed | - |
| Clutch | |
| Wet multi-discs | - |
| Final Drive | |
| Chain | - |
| chassis specs | |
| Frame | |
|---|---|
| - | Aluminium frame |
| Front Suspension | |
| Telescopic forks | - |
| Rear Suspension | |
| Dual shocks | - |
| Front Brake | |
| Single disc | - |
| Rear Brake | |
| Single disc | - |
| dimension specs | |
| Weight | |
|---|---|
| 370 lbs OR 168 kg | 351 lbs OR 159 kg |
| tyres specs | |
| Front | |
|---|---|
| 3.00-18 | - |
| Rear | |
| 3.25-18 | - |
