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Velocette Specifications

Velocette Venom Thruxton (1965-70)

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Velocette Venom Thruxton (1965-70)

At a glance

Capacity
499 cc / 30.5 cub in
Power
31 kW / 41 hp @ 6200 rpm
Seat height
775 mm / 30.5 in

The full picture.

The Velocette Venom Thruxton motorcycle was produced between 1965 and 1970. It featured a single cylinder, four stroke, OHV engine with a capacity of 499 cc and a compression ratio of 9.0:1, capable of producing a maximum power output of 41 horsepower at 6200 rpm. The bike was started with a kick and had a dry sump lubrication system with an Amal 5GP2 carburetor and a single, megaphone exhaust. The ignition system was a Miller D6 with an auto volt regulation, and the battery was 6V with a 60W output.

The Venom Thruxton had a four-speed constant mesh, close ratio transmission with a dry, three-plate clutch and a chain final drive. The front suspension was a telescopic fork with hydraulic damping and the rear suspension featured Woodhead-Monroe springs with hydraulic damping, which were later replaced by Armstrong and Girling and were adjustable. The bike had 7.5 x 1.5 in drum front brakes and 7 x 1 in drum rear brakes, and used WM2 x 19 wheels with 3.00 x 19 in ribbed front tires and 3.50 x 19 in studded rear tires.

The Venom Thruxton had a single down-tube and twin bottom rails frame, and had a length of 2130 mm, a width of 700 mm, and a height of 990 mm, with a wheelbase of 1365 mm and a seat height of 775 mm. The bike had a dry weight of 170 kg and a fuel capacity of 19.3 L. It had a top speed of 193 km/h and was available in black/metallic silver or deep blue/metallic silver colors.


Technical specifications:

Make Model: Velocette Venom Thruxton

Motorcycle technical specifications
Year1965 – 70
EngineFour stroke, single cylinder, OHV
Capacity499 cc / 30.5 cub in
Bore x Stroke86 x 86 mm
Compression Ratio9.0:1
Cooling SystemAir cooled
LubricationDry sump
CarburetorAmal 5GP2 carburetor
ExhaustSingle, megaphone
Spark PlugKLG FE220 / NGK B9ES
IgnitionMiller D6 with auto volt regulation
Battery6V, 60W
StartingKick start
Max Power31 kW / 41 hp @ 6200 rpm
ClutchDry, three-plate
Transmission4 Speed constant mesh, close ratio
Gear Ratios1st 8.4 / 2nd 6.3 / 3rd 4.83 / 4th 4.4:1 (TT close ratio optional)
Final DriveChain
FrameSingle down-tube and twin bottom rails
DimensionsLength: 2130 mm / 84.0 in Width: 700 mm / 27.5 in Height: 990 mm / 39.0 in
Wheelbase1365 mm / 53.75 in
Seat Height775 mm / 30.5 in
Ground Clearance140 mm / 5.5 in
Front SuspensionTelescopic fork with hydraulic damping and an offset wheel spindle
Rear SuspensionWoodhead-Monroe springs with hydraulic damping, later Armstrong and Girling, adjustable
Front Brakes7.5 x 1.5 in drum
Rear Brakes7 x 1 in drum
Front WheelWM2 x 19
Rear WheelWM2 x 19
Front Tyre3.00 x 19 in, ribbed
Rear Tyre3.50 x 19 in, studded
Rake27 degrees
Dry Weight170 kg / 375 lbs
Fuel Capacity19.3 L / 5.1 US gal
Fuel Consumption3.9 L/100 km / 25.5 km/L / 60 US mpg
Braking 48 km/h / 30 mph – 030.5 ft / 9.3 m
Turning Circle4.9 m / 16 ft
Top Speed193 km/h / 120 mph
ColoursBlack/metallic silver, Deep blue/metallic silveer
SourceWikipedia