BMW R 37 | APRILIA RS 457 |
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engine specs | |
Type | |
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air-cooled, four-stroke, boxer twin cylinder, OHV | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
Displacement | |
494 cm3 | - |
Bore X Stroke | |
2.7x2.7 in OR 69 mm | - |
Compression Ratio | |
6.2:1 | - |
Horsepower | |
16/4000 KW(hp)/RPM | 48/- KW(hp)/RPM |
Fuel System | |
1x26mm BMW Spezial carburetor | - |
transmission specs | |
Gearbox | |
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3 speed, manual | - |
Clutch | |
dry, single plate | - |
chassis specs | |
Frame | |
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steel | Aluminium frame |
Front Suspension | |
twin cantilever spring | - |
Rear Suspension | |
hard-tail, sprung seat | - |
Front Brake | |
150mm drum | - |
Rear Brake | |
block brake | - |
dimension specs | |
Overall Length | |
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82.67 in OR 2100 mm | - |
Overall Width | |
31.49 in OR 800 mm | - |
Weight | |
295 lbs OR 134 kg | 351 lbs OR 159 kg |
Fuel Capacity | |
3.69 gallons OR 14.0 L | - |
Wheelbase | |
54.33 in OR 1380 mm | - |
tyres specs | |
Front | |
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26 x 3.00 | - |
Rear | |
26 x 3.00 | - |