| KAWASAKI BJ 250 ESTRELLA | 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 | |
| 2.6x2.5 in OR 66 mm | - |
| Compression Ratio | |
| 9.0:1 | - |
| Horsepower | |
| 17/7500 KW(hp)/RPM | 48/- KW(hp)/RPM |
| Torque | |
| 13/5000 lb-ft/RPM OR 18/5000 Nm/RPM | - |
| Fuel System | |
| Fuel Injection | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 5-Speed | - |
| Clutch | |
| Wet multiplate | - |
| Final Drive | |
| Chain | - |
| chassis specs | |
| Frame | |
|---|---|
| Steel, Semi Double Cradle | Aluminium frame |
| Front Suspension | |
| Telescopic forks | - |
| Rear Suspension | |
| Swing arm, dual shocks | - |
| Front Brake | |
| Single disc 300mm | - |
| Rear Brake | |
| Drum 160mm | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 81.7 in OR 2075 mm | - |
| Overall Width | |
| 29.7 in OR 754 mm | - |
| Seat Height | |
| 28.9 in OR 734 mm | - |
| Ground Clearance | |
| 6.7 in OR 170 mm | - |
| Weight | |
| 342 lbs OR 155 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 3.4 gallons OR 12.9 L | - |
| Wheelbase | |
| 55.5 in OR 1410 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 90/90 S18 | - |
| Rear | |
| 110/90 S17 | - |
