The K series Velocettes

 

 

 

 

K, KT, KE, KN : 3125 (*) bikes manufactured from 1925 to 1929

Over Head Camshaft single

Cylinder : 348 cc

Bore : 74 mm ; Stroke : 81 mm

Compression rate : 6/1

Gearbox : 3 ratios

(*) This figure includes the first KSSs

 

FirstModel K : 1924

 

 

 

Model K : 1927

 

KSS : 1925-1930

Over Head Camshaft single

Cylinder : 348 cc

Bore : 74 mm ; Stroke : 81 mm

Compression rate : 7/1 ; 8,5/1

Gearbox : 3 ratios

 

KSS : 1927

 

 

KSS : 1931-1935

Over Head Camshaft single

Cylinder : 348 cc

Bore : 74 mm ; Stroke : 81 mm

Compression rate : 6.5/1

Gearbox : 3 ratios or 4 ratios

New bikes manufactured in 1947-48 : KSS Mk 2

 

KSS Mk II 1947

 

KTS : 1931-1935

Over Head Camshaft single

Cylinder : 348 cc

Bore : 74 mm ; Stroke : 81 mm

Compression rate : 6.5/1

Gearbox : 3 ratios or 4 ratios

 

 

KTS 1933

 

KTT (Kamshaft Tourist Trophy) : 868 bikes manufactured
from 1929 to 1950

KTT Mk I : 1929-1931

Over Head Camshaft single

Cylinder : 348 cc

Bore : 74 mm ; Stroke : 81 mm

Compression rate : 7.1/1 or 8.5/1

Gearbox : 3 ratios

 

 

KTT 1930

 

KTT Mk IV : 1932-1934

Compression rate : 7.5/1

Gearbox : 4 ratios

KTT Mk V : 1935-1936

Compression rate : 7.75/1 or 11/1

Gearbox : 4 ratios

KTT Mk VII : 1938-1939

Compression rate : 8.75/1 ; 7.8/1 or 11.5/1

gearbox : 4 ratios

 

 

KTT Mk VIII

 

KTT Mk VIII : 1939-1950

Swinging arm

Compression rate : 7.8/1 or 10.94/1

Gearbox : 4 ratios

 

 

 

 

 

 

 

 

The K series name stands for "Kamshaft" and applies to sport bikes, all 4 stroke shaft driven over head camshaft singles

 

 

 

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