| VELOCETTE VICEROY | APRILIA RS 457 |
|---|
| engine specs | |
| Type | |
|---|---|
| Single Cylinder, Two Strokes | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
| Displacement | |
| 247 cm3 | - |
| Bore X Stroke | |
| 2.1x2.1 in OR 53 mm | - |
| Compression Ratio | |
| 7.5:1 | - |
| Horsepower | |
| - | 48/- KW(hp)/RPM |
| Fuel System | |
| Carburetor | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 4-Speed constant mesh | - |
| Clutch | |
| Dry, three-plate | - |
| Final Drive | |
| Belt | - |
| chassis specs | |
| Frame | |
|---|---|
| Single massive tube, panels light alloy castings | Aluminium frame |
| Front Suspension | |
| Telescopic fork | - |
| Rear Suspension | |
| Woodhead-Monroe springs with hydraulic damping | - |
| Front Brake | |
| Drum | - |
| Rear Brake | |
| Drum | - |
| dimension specs | |
| Seat Height | |
|---|---|
| 29 in OR 737 mm | - |
| Weelbase | |
| 53 in OR 1346 mm | - |
| Ground Clearance | |
| 5 in OR 127 mm | - |
| Weight | |
| 302 lbs OR 137 kg | 351 lbs OR 159 kg |
| Fuel Capacity | |
| 2.7 gallons OR 10.2 L | - |
| Wheelbase | |
| 53 in OR 1346 mm | - |
| tyres specs | |
| Front | |
|---|---|
| 4 x 12" | - |
| Rear | |
| 4 x 12" | - |
