YAMAHA YZ450FX | APRILIA RS 457 |
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engine specs | |
Type | |
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Liquid-cooled DOHC 4-stroke, 4 titanium valves | 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 | |
- | 48/- KW(hp)/RPM |
Fuel System | |
Yamaha Fuel Injection (YFI) Keihin 44mm | - |
transmission specs | |
Gearbox | |
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5-Speed constant mesh | - |
Clutch | |
Wet multiplate | - |
Final Drive | |
O-ring chain | - |
chassis specs | |
Frame | |
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Bilateral Beam Aluminum | Aluminium frame |
Front Suspension | |
KYB spring-type fork with speed sensitive damping, fully adjustable, 12.2-in wheel travel | - |
Rear Suspension | |
KYB single shock, full adjustable, 12.5-in wheel travel | - |
Front Brake | |
Single hydraulic disc 270mm | - |
Rear Brake | |
Single hydraulic disc 245mm | - |
dimension specs | |
Overall Length | |
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85.2 in OR 2164 mm | - |
Overall Width | |
32.5 in OR 826 mm | - |
Seat Height | |
38 in OR 965 mm | - |
Ground Clearance | |
12.8 in OR 325 mm | - |
Weight | |
262 lbs OR 119 kg | 351 lbs OR 159 kg |
Fuel Capacity | |
2 gallons OR 7.6 L | - |
Wheelbase | |
57.7 in OR 1466 mm | - |
tyres specs | |
Front | |
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AT81F 90/90-21 | - |
Rear | |
AT81 120/90-18 | - |