| KAWASAKI BJ 250 Estrella RS | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| Single cylinder, four-stroke, air-cooled | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 249 cm3 | - |
| Bore X Stroke | |
| 2.59 X 2.87 in OR 66 mm | - |
| Compression Ratio | |
| 9:1 | - |
| Horsepower | |
| - | 48/- KW(hp)/RPM |
| Torque | |
| 14.5/ 6000 lb-ft/RPM OR 20/6000 Nm/RPM | - |
| Fuel System | |
| Carburetor | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 5-speed | - |
| Clutch | |
| Wet multi-discs | - |
| Final Drive | |
| Chain | - |
| chassis specs | |
| Frame | |
|---|---|
| - | Aluminium frame |
| Front Suspension | |
| Telescopic Fork | - |
| Rear Suspension | |
| Swing Arm | - |
| Front Brake | |
| Single Disc With 2-piston Calipers | - |
| Rear Brake | |
| Single Disc With 1-piston Calipers | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 81.7 in OR 2075 mm | - |
| Overall Width | |
| 30.5 in OR 775 mm | - |
| Seat Height | |
| 28.9 in OR 734 mm | - |
| Ground Clearance | |
| 5.9 in OR 150 mm | - |
| Weight | |
| 313 lbs OR 142 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 3.7 gallons OR 14.0 L | - |
| Wheelbase | |
| 55.1 in OR 1400 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 90/90-17 | - |
| Rear | |
| 110/90-17 | - |
