| KAWASAKI KX450F | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| Liquid-cooled, 4-stroke Single | 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 | |
| 12.0:1 | - |
| Horsepower | |
| 56/8500 KW(hp)/RPM | 48/- KW(hp)/RPM |
| Torque | |
| 37/7000 lb-ft/RPM OR 50/7000 Nm/RPM | - |
| Fuel System | |
| Keihin FCR40 | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 4-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 with 22-way compression and 20-way rebound damping | - |
| Rear Suspension | |
| New Uni-Trak with adjustable preload, dual-speed (low: 22-way, high: 2-turns or more) compression damping and 22-way rebound damping | - |
| Front Brake | |
| Single semi-floating 250 mm petal disc, dual-piston | - |
| Rear Brake | |
| Single 240 mm petal disc, single-piston | - |
| dimension specs | |
| Overall Length | |
|---|---|
| 86 in OR 2184 mm | - |
| Overall Width | |
| 32.3 in OR 820 mm | - |
| Seat Height | |
| 38 in OR 965 mm | - |
| Weight | |
| 220 lbs OR 100 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 1.9 gallons OR 7.2 L | - |
| Wheelbase | |
| 58.5 in OR 1486 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 90/100-21 57M | - |
| Rear | |
| 120/80-19 63M | - |
