Velocette Viper (1955-68) vs MV Agusta 250 Turismo Raid (1957-60)
Comparison technical specifications
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| Make: | Velocette | MV Agusta |
| Model: | Viper | 250 Turismo Raid |
| Years: | 1955-68 | 1957-60 |
| Engine: | Four stroke, single cylinder | Four stroke, single cylinder, pushrod, 2 valve |
| Capacity: | 349 cc / 30.5 cub in | 246 cc / 15.0 cu-in |
| Bore x Stroke: | 72 x 86 mm | 69 x 66 mm |
| Compression Ratio: | 8.0:1 | 7.2:1 |
| Cooling System: | Air cooled | Air cooled |
| Lubrication: | Wet sump | Wet sump |
| Ignition: | Belt driven dynamo, after 1962: Lucas system | Flywheel magneto |
| Starting: | Kick start | Kick |
| Max Power: | 25 kW / 28 hp @ 7000 rpm | 8.1 kW /11.0 hp @ 5500 rpm |
| Clutch: | Dry, three-plate | Wet multiple plate clutch |
| Transmission: | 4 Speed constant mesh, close ratio | 4 speed |
| Final Drive: | Chain | Chain |
| Wheelbase: | 1353 mm / 53.25 in | 1340 mm / 52.7 in |
| Front Suspension: | Telescopic fork with hydraulic compression and rebound damping | Telescopic hydraulic fork |
| Rear Suspension: | Woodhead-Monroe springs with hydraulic damping, later Armstrong and Girling, adjustable | Swingarm with hydraulic shocks |
| Front Brakes: | 7.5 x 1.5 in., drum | 200mm Drum |
| Rear Brakes: | 7 x 1 in., drum | 200mm Drum |
| Front Tyre: | 3.25 x 19 in | 3.00-19 |
| Rear Tyre: | 3.25 x 19 in | 3.25-19 |
| Fuel Capacity: | 13.6 L / 3.6 US gal | 17 Litres / 4.5 US gal |