YAMAHA YDS-1 | APRILIA RS 457 |
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engine specs | |
Type | |
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Twin cylinder, two stroke, OHV, air-cooled | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
Displacement | |
249 cm3 | - |
Bore X Stroke | |
2.1x2.1 in OR 53 mm | - |
Horsepower | |
18/7500 KW(hp)/RPM | 48/- KW(hp)/RPM |
Torque | |
4/6000 lb-ft/RPM OR 5/6000 Nm/RPM | - |
Fuel System | |
Carburetor | - |
transmission specs | |
Gearbox | |
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4-Speed | - |
Clutch | |
Wet, multiplate | - |
Final Drive | |
Chain | - |
chassis specs | |
Frame | |
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Double cradle frame | Aluminium frame |
Front Suspension | |
Telescopic forks | - |
Rear Suspension | |
Swing arm | - |
Front Brake | |
Drum | - |
Rear Brake | |
Drum | - |
dimension specs | |
Weight | |
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304 lbs OR 138 kg | 351 lbs OR 159 kg |
tyres specs | |
Front | |
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3.00-18 | - |
Rear | |
3.00-18 | - |