Velocette Viper Scrambler
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Velocette Viper Scrambler | |
Manufacturer | |
---|---|
Production | 1958 - 68 |
Engine | Four stroke, single cylinder |
Compression ratio | 9.3:1 |
Ignition | BTH racing magneto |
Spark Plug | KLG FE100 / Champion N3 / NGK B8ES, Lodge 3HLN |
Battery | 6V |
Transmission | 4 Speed constant mesh, close ratio, foot controlled |
Suspension | Front: Telescopic fork with hydraulic compression and rebound damping Rear: Woodhead-Monroe springs with hydraulic damping, later Armstrong and Girling, adjustable |
Brakes | Front: 7 x 1 in., drum Rear: 7 x 1 in., drum |
Front Tire | 3.00 x 21 in |
Rear Tire | 4.00 x 19 in |
Wheelbase | 1365 mm / 53.75 in |
Seat Height | 838 mm / 33 in. |
Weight | 152 kg / 330 lbs (wet) |
Fuel Capacity | 11 L / 3 US gal |
Manuals | Service Manual |
Engine[edit | edit source]
The engine was a Air cooled cooled Four stroke, single cylinder. The engine featured a 9.3:1 compression ratio.
Drive[edit | edit source]
Power was moderated via the Dry, three-plate.
Chassis[edit | edit source]
It came with a 3.00 x 21 in front tire and a 4.00 x 19 in rear tire. Stopping was achieved via 7 x 1 in., drum in the front and a 7 x 1 in., drum in the rear. The front suspension was a Telescopic fork with hydraulic compression and rebound damping while the rear was equipped with a Woodhead-Monroe springs with hydraulic damping, later Armstrong and Girling, adjustable. The Viper Scrambler was fitted with a 11 L / 3 US gal fuel tank. The wheelbase was 1365 mm / 53.75 in long.
Photos[edit | edit source]
Overview[edit | edit source]
Make Model | Velocette Viper Scrambler |
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Year | 1958 - 68 |
Engine Type | Four stroke, single cylinder |
Displacement | 349 cc / 30.5 cub in |
Bore X Stroke | 72 x 86 mm |
Compression | 9.3:1 |
Cooling System | Air cooled |
Lubrication | Dry sump |
Carburetor | Amal TT Monobloc |
Exhaust | Single, megaphone silencer |
Spark Plug | KLG FE100 / Champion N3 / NGK B8ES, Lodge 3HLN |
Battery | 6V |
Ignition | BTH racing magneto |
Starting | Kick start |
Max Power | 26 kW / 29 hp @ 7000 rpm |
Clutch | Dry, three-plate |
Transmission | 4 Speed constant mesh, close ratio, foot controlled |
Gear Ratios | 1st 17.9 / 2nd 12.46 / 3rd 9.5 / 4th 7.85:1 |
Final Drive | Chain |
Dimensions | Length: 2260 mm / 89.0 in Width: 890 mm / 34.5 in Height: 1090 mm / 43.0 in. |
Wheelbase | 1365 mm / 53.75 in |
Ground Clearance | 165 mm / 6.5 in. |
Seat Height | 838 mm / 33 in. |
Front Suspension | Telescopic fork with hydraulic compression and rebound damping |
Rear Suspension | Woodhead-Monroe springs with hydraulic damping, later Armstrong and Girling, adjustable |
Front Brakes | 7 x 1 in., drum |
Rear Brakes | 7 x 1 in., drum |
Wheels | Light alloy rims, spokes |
Front Wheel | WM1 x 21 |
Rear Wheel | WM3 x 19 |
Front Tire | 3.00 x 21 in |
Rear Tire | 4.00 x 19 in |
Turning Radius | 4.9 m / 16 ft. |
Rake | 27° |
Wet Weight | 152 kg / 330 lbs |
Fuel Capacity | 11 L / 3 US gal |
Colours | Black/chrome, Red/black, White/black |