MotorcycleSpecifications.com

The motorcycle referenceMakes / Models / Technical data

Velocette Specifications

Velocette Viper Scrambler (1958-68)

Entry updated

Velocette Viper Scrambler (1958-68)

At a glance

Capacity
349 cc / 30.5 cub in
Power
26 kW / 29 hp @ 7000 rpm
Seat height
838 mm / 33 in.

The full picture.

The Velocette Viper Scrambler was a motorcycle manufactured from 1958-68. It had a four-stroke single cylinder engine with a capacity of 349cc and a compression ratio of 9.3:1. The bike featured a dry sump lubrication system, an Amal TT monobloc carburetor, and a single, megaphone silencer exhaust. The ignition was powered by a BTH racing magneto and the bike was started with a kick start. The Viper Scrambler was capable of reaching a maximum power of 26 kW / 29 hp @ 7000 rpm. The bike had a dry, three-plate clutch and a 4-speed constant mesh, close ratio, foot-controlled transmission. The final drive was a chain. The bike had dimensions of 2260 mm in length, 890 mm in width, and 1090 mm in height. The Viper Scrambler had a wheelbase of 1365 mm, ground clearance of 165 mm, and a seat height of 838 mm. The suspension on the bike consisted of a telescopic fork with hydraulic compression and rebound damping in the front and Woodhead-Monroe springs with hydraulic damping in the back. The front and rear wheels were 7 x 1 inches in size with light alloy rims and spokes. The front and rear tires measured 3.00 x 21 inches and 4.00 x 19 inches respectively. The bike had a turning radius of 4.9 m and a rake of 27 degrees. Its wet weight was 152 kg and it had a fuel capacity of 11 L. The Velocette Viper Scrambler was available in black/chrome, red/black, and white/black colors.


Technical specifications:

Make Model: Velocette Viper Scrambler

Motorcycle technical specifications
Year1958 – 68
EngineFour stroke, single cylinder
Capacity349 cc / 30.5 cub in
Bore x Stroke72 x 86 mm
Compression Ratio9.3:1
Cooling SystemAir cooled
LubricationDry sump
CarburetorAmal TT Monobloc
ExhaustSingle, megaphone silencer
Spark PlugKLG FE100 / Champion N3 / NGK B8ES, Lodge 3HLN
Battery6V
IgnitionBTH racing magneto
StartingKick start
Max Power26 kW / 29 hp @ 7000 rpm
ClutchDry, three-plate
Transmission4 Speed constant mesh, close ratio, foot controlled
Gear Ratios1st 17.9 / 2nd 12.46 / 3rd 9.5 / 4th 7.85:1
Final DriveChain
DimensionsLength: 2260 mm / 89.0 in Width: 890 mm / 34.5 in Height: 1090 mm / 43.0 in.
Wheelbase1365 mm / 53.75 in
Ground Clearance165 mm / 6.5 in.
Seat Height838 mm / 33 in.
Front SuspensionTelescopic fork with hydraulic compression and rebound damping
Rear SuspensionWoodhead-Monroe springs with hydraulic damping, later Armstrong and Girling, adjustable
Front Brakes7 x 1 in., drum
Rear Brakes7 x 1 in., drum
WheelsLight alloy rims, spokes
Front WheelWM1 x 21
Rear WheelWM3 x 19
Front Tyre3.00 x 21 in
Rear Tyre4.00 x 19 in
Turning Radius4.9 m / 16 ft.
Rake27 degrees
Wet Weight152 kg / 330 lbs
Fuel Capacity11 L / 3 US gal
ColoursBlack/chrome, Red/black, White/black