GAS GAS EC 250E | APRILIA RS 457 |
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engine specs | |
Type | |
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liquid-cooled, two-stroke, single cylinder | 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 | - |
Horsepower | |
50/8700 KW(hp)/RPM | 48/- KW(hp)/RPM |
Torque | |
34/7600 lb-ft/RPM OR 46/7600 Nm/RPM | - |
Fuel System | |
38mm Keihin PWK carburetor | - |
transmission specs | |
Gearbox | |
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6-speed, manual | - |
Final Drive | |
chain | - |
chassis specs | |
Frame | |
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deltabox-type cromoly frame, aluminium swingarm | Aluminium frame |
Front Suspension | |
45mm Marzocchi upside-down telescopic fork | - |
Rear Suspension | |
Ohlins monoshock with progressive linkage | - |
Front Brake | |
single 260mm disc, 1-piston caliper | - |
Rear Brake | |
single 220mm disc, 1-piston caliper | - |
dimension specs | |
Weight | |
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225 lbs OR 102 kg | 351 lbs OR 159 kg |
Fuel Capacity | |
2.6 gallons OR 9.8 L | - |
tyres specs | |
Front | |
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90/90 -21 | - |
Rear | |
120/80 -18 | - |