GILERA NGR 250 | 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 | |
2.8x2.4 in OR 71 mm | - |
Compression Ratio | |
13.5:1 | - |
Horsepower | |
38/7500 KW(hp)/RPM | 48/- KW(hp)/RPM |
Torque | |
23/7000 lb-ft/RPM OR 31/7000 Nm/RPM | - |
Fuel System | |
32mm DellOrto carburetor | - |
transmission specs | |
Gearbox | |
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5-speed, manual | - |
Final Drive | |
chain | - |
chassis specs | |
Frame | |
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steel, trellis | Aluminium frame |
Front Suspension | |
38mm Marzocchi telescopic fork | - |
Rear Suspension | |
monoshock | - |
Front Brake | |
dual 240mm discs, 2-piston calipers | - |
Rear Brake | |
single 240mm disc, 2-piston caliper | - |
dimension specs | |
Weight | |
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304 lbs OR 138 kg | 351 lbs OR 159 kg |
Fuel Capacity | |
5.3 gallons OR 20.1 L | - |
tyres specs | |
Front | |
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100/90 -16 | - |
Rear | |
110/90 -16 | - |