YAMAHA YZ250 | APRILIA RS 457 |
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engine specs | |
Type | |
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Liquid-cooled 2-stroke reed-valve inducted | 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 | |
8.9~10.6:1 | - |
Horsepower | |
- | 48/- KW(hp)/RPM |
Fuel System | |
Keihin PWK38S | - |
transmission specs | |
Gearbox | |
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5 speed | - |
Clutch | |
Multiplate wet clutch | - |
Final Drive | |
Chain | - |
chassis specs | |
Frame | |
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Aluminum frame and swingarm | Aluminium frame |
Front Suspension | |
Speed-Sensitive System inverted fork fully adjustable, 11.8-in travel | - |
Rear Suspension | |
Fully adjustable single shock, 12.4-in travel | - |
Front Brake | |
Hydraulic single disc brake, 250mm | - |
Rear Brake | |
Hydraulic single disc brake, 245mm | - |
dimension specs | |
Overall Length | |
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85.7 in OR 2177 mm | - |
Overall Width | |
32.6 in OR 828 mm | - |
Seat Height | |
39.1 in OR 993 mm | - |
Ground Clearance | |
15 in OR 381 mm | - |
Weight | |
227 lbs OR 103 kg | 351 lbs OR 159 kg |
Fuel Capacity | |
2.1 gallons OR 7.9 L | - |
Wheelbase | |
58.3 in OR 1481 mm | - |
tyres specs | |
Front | |
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80/100-21-51M | - |
Rear | |
110/90-19-62M | - |