AJS Model 20 500 | APRILIA RS 457 |
---|
engine specs | |
Type | |
---|---|
air-cooled, four-stroke, parallel twin cylinder, OHV, 2 valves per cylinder | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
Displacement | |
498 cm3 | - |
Bore X Stroke | |
2.6x2.9 in OR 66 mm | - |
Compression Ratio | |
7.3:1 | - |
Horsepower | |
29/5000 KW(hp)/RPM | 48/- KW(hp)/RPM |
Fuel System | |
carburetor | - |
transmission specs | |
Gearbox | |
---|---|
4-speed, manual | - |
Clutch | |
wet multi-disc, manual | - |
Final Drive | |
chain | - |
chassis specs | |
Frame | |
---|---|
steel | Aluminium frame |
Front Suspension | |
telescopic fork | - |
Rear Suspension | |
dual shocks, sprung seat | - |
Front Brake | |
drum | - |
Rear Brake | |
drum | - |
dimension specs | |
Weight | |
---|---|
392 lbs OR 178 kg | 351 lbs OR 159 kg |
Fuel Capacity | |
4.5 gallons OR 17.0 L | - |
tyres specs | |
Front | |
---|---|
3.25 -18 | - |
Rear | |
3.25 -18 | - |