| KAWASAKI KX250 | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| Liquid-cooled, 2-stroke Single with KIPS | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 249 cm3 | - |
| Bore X Stroke | |
| 2.6x2.8 in OR 66 mm | - |
| Compression Ratio | |
| 10.2:1 (low speed) 8.9:1 (high speed) | - |
| Horsepower | |
| 58/9000 KW(hp)/RPM | 48/- KW(hp)/RPM |
| Torque | |
| 37/8000 lb-ft/RPM OR 50/8000 Nm/RPM | - |
| Fuel System | |
| Keihin PWK 38S | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 5-Speed, return | - |
| Clutch | |
| Wet multi-disc, manual | - |
| Final Drive | |
| Chain | - |
| chassis specs | |
| Frame | |
|---|---|
| Perimeter, high-tensile steel | Aluminium frame |
| Front Suspension | |
| 48 mm upside-down AOS-type telescopic fork with 16-way compression and 16-way rebound damping | - |
| Rear Suspension | |
| New Uni-Trak with adjustable preload, dual-speed (low: 18-way, high: 2-turns) compression damping | - |
| Front Brake | |
| Single semi-floating 250 mm disc, Dual-piston caliper | - |
| Rear Brake | |
| Single 240 mm disc, Single-piston caliper | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 86 in OR 2184 mm | - |
| Overall Width | |
| 32.1 in OR 815 mm | - |
| Seat Height | |
| 38 in OR 965 mm | - |
| Weight | |
| 214 lbs OR 97 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 2.2 gallons OR 8.3 L | - |
| Wheelbase | |
| 58.3 in OR 1481 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 80/100-21 51M | - |
| Rear | |
| 110/90-19 62M | - |
