VELOCETTE VIPER
| Production Year: | 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968 |  |
| Type: | Single cylinder, 4-stroke, Air-cooled |
| engine specs | |
| Type | Single cylinder, 4-stroke, Air-cooled |
| Displacement | 349 cm3 |
| Bore X Stroke | 2.8x3.4 in OR 71 mm |
| Compression Ratio | 8.0:1 |
| Horsepower | 28/7000 KW(hp)/RPM |
| Fuel System | Carburetor |
| transmission specs | |
| Gearbox | 4-Speed constant mesh, close ratio |
| Clutch | Dry, three-plate |
| Final Drive | Chain |
| chassis specs | |
| Front Suspension | Telescopic fork with hydraulic compression and rebound damping |
| Rear Suspension | Woodhead-Monroe springs with hydraulic damping, later Armstrong and Girling, adjustable |
| Front Brake | Drum |
| Rear Brake | Drum |
| dimension specs | |
| Weelbase | 53.3 in OR 1354 mm |
| Weight | 364 lbs OR 165 kg |
| Fuel Capacity | 3.6 gallons OR 13.6 L |
| Wheelbase | 53.3 in OR 1354 mm |
| tyres specs | |
| Front | 3.25 x 19" |
| Rear | 3.25 x 19" |
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