YAMAHA YZ250F | APRILIA RS 457 |
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engine specs | |
Type | |
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liquid-cooled DOHC 4-stroke 5 titanium valves | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
Displacement | |
249 cm3 | - |
Bore X Stroke | |
3.0x2.1 in OR 76 mm | - |
Compression Ratio | |
13.5:1 | - |
Horsepower | |
- | 48/- KW(hp)/RPM |
Torque | |
22/8500 lb-ft/RPM OR 30/8500 Nm/RPM | - |
Fuel System | |
Keihin FCR MX37, flat-slide w/throttle position sensor | - |
transmission specs | |
Gearbox | |
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5 speed, manual | - |
Clutch | |
Wet multi-disc, manual | - |
Final Drive | |
Chain | - |
chassis specs | |
Frame | |
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Aluminium semi-double-cradle | Aluminium frame |
Front Suspension | |
Fully adjustable 48 mm inverted fork 300 mm (11.8 in.) travel, Speed-Sensitive System | - |
Rear Suspension | |
Fully adjustable link monocross 307 mm (12.1 in.) travel | - |
Front Brake | |
250mm floating disc | - |
Rear Brake | |
245mm disc | - |
dimension specs | |
Overall Length | |
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85.1 in OR 2162 mm | - |
Overall Width | |
32.5 in OR 826 mm | - |
Seat Height | |
38.8 in OR 986 mm | - |
Ground Clearance | |
14.6 in OR 371 mm | - |
Weight | |
226 lbs OR 103 kg | 351 lbs OR 159 kg |
Fuel Capacity | |
1.8 gallons OR 6.8 L | - |
Wheelbase | |
57.8 in OR 1468 mm | - |
tyres specs | |
Front | |
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80/100-21 | - |
Rear | |
100/90-19 | - |