Velocette K Series 1930 – 40 (KTP:         1930-31KTSMkI: 1931-35KTSMkII: 1936-40)

The Velocette K Series motorcycles were produced from 1930 to 1940, featuring three models: KTP, KTS Mk I, and KTS Mk II. The bikes were powered by a 348.4 cc, four-stroke, single-cylinder, OHC engine with a compression ratio of 6.5:1 and a dry sump lubrication system. They had a twist grip-controlled Amal carburetor, acoil ignition in conjunction with Miller, and kick start. KTP had a 3-speed hand-operated transmission, while KTS had a 4-speed foot-operated one. The motorcycles had an open frame with load-bearing motor to form part of the frame for KTP and KTS Mk I, while KTS Mk II had a single cradle frame. The Webb fork with two friction dampers was used for front suspension and for the rear a spring-loaded seat. The front brakes were 7 in diameter drums with internal expansion, while the rear brakes were also 7 in diameter drums with internal expansion. The Velocette motorcycles featured spoked wheels and were available in Black color with gold pin striping. The fuel capacity was 8.5 L / 2.25 US gal, and the dry weight was 133 kg / 294 lbs.

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Technical specifications:

Make Model: Velocette KTP, KTS Mk I and KTS Mk II

Year: KTP: 1930 – 31 KTS Mk I: 1931 – 35 KTS Mk II: 1936 – 40

Engine: Four stroke, single cylinder, OHC

Capacity: 348.4 cc / 21.3 cub in

Bore x Stroke: 74 x 81 mm

Compression Ratio: 6.5:1

Cooling System: Air cooled

Lubrication: Dry sump

Carburetor: Amal, twist grip control

Exhaust: 1-into-2, chrome plated silencers with fish tail mufflers

Ignition: Coil in conjunction with Miller

Starting: Kick start

Clutch: Wet multi-plate

Transmission: KTP: 3 Speed, hand operated KTS: 4 Speed, foot operated

Final Drive: Chain

Gear Ratios: KTP: 1st 14.5 / 2nd 8.1 / 3rd 5.6:1

Frame: KTP, KTS Mk I: Open frame with load bearing motor to form part of the frame KTS MkII: Single cradle frame

Wheelbase: 1365 mm / 53.75 in

Seat height: 711 mm / 28 in

Ground Clearance: 121 mm / 4.75 in

Front Suspension: Webb fork with two friction dampers

Rear Suspension: Spring loaded seat

Front Brakes: 7 in diameter drum, internal expanding

Rear Brakes: 7 in diameter drum, internal expanding

Wheels: Spoked

Fuel Capacity: 8.5 L / 2.25 US gal

Dry Weight: 133 kg / 294 lbs

Colours: Black with gold pin striping

Source: Wikipedia