GAS GAS CONTACT ES 250 | APRILIA RS 457 |
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engine specs | |
Type | |
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Single-cylinder 2-stroke, liquid cooled | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
Displacement | |
247 cm3 | - |
Bore X Stroke | |
2.9x2.4 in OR 74 mm | - |
Horsepower | |
- | 48/- KW(hp)/RPM |
Fuel System | |
Carburetor | - |
transmission specs | |
Gearbox | |
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6-Speed | - |
Clutch | |
Hydraulic diaphragm system GG 1/3 | - |
Final Drive | |
Chain | - |
chassis specs | |
Frame | |
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Tubular frame in Chrom-Molybdenum | Aluminium frame |
Front Suspension | |
Progressive linkage system | - |
Rear Suspension | |
Adjustable spring preload | - |
Front Brake | |
Single disc 185 mm NG WAVE floating, 4-piston caliper Braktec | - |
Rear Brake | |
Single disc 150 mm NG WAVE, 2-piston caliper Braktec | - |
dimension specs | |
Overall Length | |
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79.1 in OR 2009 mm | - |
Overall Width | |
32.5 in OR 826 mm | - |
Seat Height | |
26 in OR 660 mm | - |
Weight | |
161 lbs OR 73 kg | 351 lbs OR 159 kg |
Fuel Capacity | |
0.9 gallons OR 3.4 L | - |
Wheelbase | |
52 in OR 1321 mm | - |
tyres specs | |
Front | |
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2.75 X 21 | - |
Rear | |
4.00 X 18 | - |