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Velocette Specifications

Velocette KTT MK VI – VIII (KTTMkVI: 1935KTTMkVII: 1938KTTMkVIII:1938-50)

Entry updated

Velocette KTT MK VI - VIII (KTTMkVI: 1935KTTMkVII: 1938KTTMkVIII:1938-50)

At a glance

Capacity
348.4 cc / 21.3 cub in
Power
25.7 kW / 35 hp @ 5800 rpm (Mk VIII)

The full picture.

The Velocette KTT Mk VI, KTT Mk VII, and KTT Mk VIII are a series of motorcycles that were produced between 1935 and 1950. They have a four stroke, single cylinder, OHC engine with a capacity of 348.4 cc and a compression ratio of 7.8:1. The bikes are air-cooled and use a dry sump lubrication system. They have a single chrome exhaust and an Amal carburetor. The ignition is a bobine and the bikes are started with a kick start. The KTT Mk VIII has a maximum power output of 25.7 kW / 35 hp @ 5800 rpm. The clutch is a wet multi-plate and the transmission is four-speed with foot-operated controls. The final drive is a chain. The single cradle frame has a Webb fork with two friction dampers for the front suspension. The KTT Mk VIII also has a swingarm with two shock absorbers for the rear suspension. The front and rear brakes are both 7 in. magnesium drums with a single leading shoe. The fuel capacity is 11.4 L / 4 US gal and the dry weight is 125 kg / 275 lbs. The maximum speed of the KTT Mk VIII is 185 km/h / 115 mph. The bikes come in black with gold pin striping.


Technical specifications:

Make Model: Velocette KTT Mk VI, KTT Mk VII, KTT Mk VIII

Motorcycle technical specifications
YearKTT Mk VI: 1935 KTT Mk VII: 1938 KTT Mk VIII: 1938 – 50
EngineFour stroke, single cylinder, OHC
Capacity348.4 cc / 21.3 cub in
Bore x Stroke74 x 81 mm
Compression Ratio7.8:1
Cooling SystemAir cooled
LubricationDry sump
ExhaustSingle, chrome
CarburetorAmal
IgnitionBobine
StartingKick start
Max Power25.7 kW / 35 hp @ 5800 rpm (Mk VIII)
ClutchWet multi-plate
Transmission4 Speed, foot operated
Final DriveChain
FrameSingle cradle frame
Front SuspensionWebb fork with two friction dampers
Rear SuspensionKTT Mk VI & VII: None, spring loaded seat KTT Mk VIII: Swingarm with 2 shock absorbers, Oleo
Front Brakes7 in. magnesium drums with single leading shoe
Rear Brakes7 in. magnesium drums with single leading shoe
Front WheelWM1 x 21 in. (Mk VIII)
Rear WheelWM2 x 19 in. (Mk VIII)
Fuel Capacity11.4 L / 4 US gal
Dry Weight125 kg / 275 lbs
Maximum Speed185 km/h / 115 mph (Mk VIII)
ColoursBlack with gold pin striping
SourceWikipedia, Bonhams