| KAWASAKI KX450F | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| Single cylinder,four-stroke, liquid cooled | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 449 cm3 | - |
| Bore X Stroke | |
| 3.8x2.4 in OR 97 mm | - |
| Compression Ratio | |
| 12.5:1 | - |
| Horsepower | |
| 56/8500 KW(hp)/RPM | 48/- KW(hp)/RPM |
| Torque | |
| 37/7000 lb-ft/RPM OR 50/7000 Nm/RPM | - |
| Fuel System | |
| Fuel injection: 43 mm x 1 (Keihin) | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 5-Speed, return | - |
| Clutch | |
| Wet multi-disc, manual | - |
| Final Drive | |
| Chain | - |
| chassis specs | |
| Frame | |
|---|---|
| Perimeter, aluminium | Aluminium frame |
| Front Suspension | |
| 48 mm upside-down AOS-type telescopic fork Compression damping: 22-way Rebound damping: 20-way | - |
| Rear Suspension | |
| New Uni-Trak Compression damping: 22-way (low-speed), 2-turns or more (high-speed) Rebound damping: 22-way Spring preload: Fully adjustable | - |
| Front Brake | |
| Single disc 250mm | - |
| Rear Brake | |
| Single disc 240mm | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 85.8 in OR 2179 mm | - |
| Overall Width | |
| 32.3 in OR 820 mm | - |
| Seat Height | |
| 37.6 in OR 955 mm | - |
| Ground Clearance | |
| 13 in OR 330 mm | - |
| Weight | |
| 247 lbs OR 112 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 1.6 gallons OR 6.1 L | - |
| Wheelbase | |
| 58.3 in OR 1481 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 80/100-21 | - |
| Rear | |
| 120/80-19 | - |
