AJS Motorcycles

AJS Models 1910-1940

Prefixes were used to denote year of manufacture from 1925 on: E = 1925, G = 1926, H = 1927 etc.

1910-1911 Models
A SV 70 x 76 292cc
B SV 70 x 76 292cc

1912 Models
A SV 70 x 82 315cc
B SV 70 x 82 315cc
D 70 x 82 631cc V-twin

1913 Models
B SV 70 x 91 349cc
D 74 x 81 696cc SV V-twin

1914 Models
A 65 x 83 550cc V-twin
B SV 70 x 91 349cc
D 74 x 87 748cc V-twin

1915 Models
B SV 70 x 91 349cc
D 74 x 87 748cc V-twin
AJS 1914-1915 Models

1916 Models

A 65 x 83 550cc V-Twin
B SV 74 x 81 349cc
D 74 x 87 748cc V-Twin

1917-1918 Models
D 74 x 87 748cc V-Twin

1918-1920 Models
D 74 x 87 748cc V-Twin

1921 Models
B SV 74 x 81 349cc
D 74 x 93 799cc V-twin

1922 Models
B, B1, B2 SV 74 x 81 349cc
D 74 x 93 799cc V-twin
AJS 1922 Models

1923 Models
B, B1 SV 74 x 81 349cc
D 74 x 93 799cc V-twin
T.T. OHV 74 x 81 349cc Competition

1924 Models
B, B1, B5 SV 74 x 81 349cc
B3 74 x 81 349cc OHV
D, D1 74 x 93 799cc V-Twin
B4 OHV 74 x 81 349cc Competition

1925 Models
E1 74 x 93 799cc Sidevalve V-twin
E2 74 x 93 799cc Sidevalve V-twin
E3, E4, E5 SV 74 x 81 349cc
E6 OHV 74 x 81 349cc
E7 OHV 74 x 81 349cc Competition

1926 Models
G1 74 x 93 799cc Sidevalve V-twin
G2 74 x 93 799cc Sidevalve V-twin
G3, G4, G5 SV 74 x 81 349cc
G6 OHV
G7 74 x 81 349cc OHV
GR7 OHV 74 x 81 349cc Competition | GR7 Article
G8 84 x 90 498cc
G10 84 x 90 498cc Competition | G10 Article

1927 Models
H1 74 x 93 799cc Sidevalve V-twin, Lucas magdyno
H2 74 x 93 799cc Sidevalve V-twin, Lucas magneto
H3, H4, H5 SV 74 x 81 349cc
H6 OHV
H8, H10 84 x 90 498cc
H9 SV
H7 OHV 74 x 81 349cc Competition
H10 84 x 90 498cc Competition

1928 Models
K1 74 x 93 799cc V-Twin
K2 V-Twin
K3, K4, K5 SV 74 x 81 349cc
K6 OHV
K7 OHC 74 x 81 349cc Competition
K8 OHV 84 x 90 498cc
K9 SV
K10 OHC 84 x 90 498cc Competition
K12 SV 65 x 75 248cc
KR6 OHV 74 x 81 349cc Competition
KR8 OHV 84 x 90 498cc Competition
AJS 1928 Models

1929 Models
Saddle tanks fitted to all models
M3, M4, M5 SV 74 x 81 349cc
M6, OHV
M7 349cc OHC 74x81 Competition
M8, MR8 498cc OHV 84x90
M9 4.98hp SV 3-speed
M10 498cc 84x90 OHC Competition
M12 248cc SV 65x75
M1, M2 996cc V-twin 84x90
MR6 349cc OHV 74x81 Competition
MR8 498cc OHV 84x90 Competition
MR10 498cc OHC 79x101 Competition

1930 Models
R2 84 x 90 996cc V-twin
R4, R5 SV 74 x 81 349cc
R6 OHV
R7 OHC 70 x 90 346cc Competition
R8 OHV 84 x 90 498cc
R9 SV
R10 OHC 79 x 101 495cc Competition
R12 OHV 65 x 75 248cc

1931 Models
Production moved from Wolverhampton to London
S2 84 x 90 998cc V-twin
S3 SV 65 x 75 498cc
S4 74 x 93 400cc
S5 74 x 81 348cc
S6 OHV
S7 OHC 70 x 90 346cc Competition
S8 OHV 84 x 90 498cc
S9 SV
S10 OHC 79 x 101 495cc Competition
S12 OHV 65 x 75 249cc
SB6 74 x 81 348cc
SB8 84 x 90 498cc
AJS 1931 Models

1932 Models
T2 SV V-Twin 85.5 x 85.5 982cc
T5 OHV 74x81 348cc
T6
TB6
T7 OHC 70 x 90 346cc Competition
T8 84x90 499cc
TB8
T9 SV
T10 79 x101 495cc Competition
AJS 1932 Models

1933 Models
33-2 SV 85.5x85.5 982cc V-Twin (Home and Export)
33-5 74x81 348cc SV 3-speed
33-6 OHV 3.49hp twin port De Luxe 4-speed
33-B6 OHV 3.49hp "Big Port" 4-speed
33-7 346cc OHC 70x90mm "Trophy" 4-speed
33-8 84x90 499cc twin port 4-speed
33-B8 499cc "Big Port" 4-speed
33-9 SV 4.98hp SV 3-speed
33-10 495cc OHC 79x101 "Trophy" 4-speed
33-12 OHV 65x75 249cc "Big Port" 4-speed

1934 Models

34-2 85.5 x 85.5 982cc SV V-twin, Sturmey-Archer gearbox (English and Export models)
34-5 74x81 348cc
34-6 OHV
34-7 OHC 70x90 346cc
34-8 84x90 499cc
34-9 SV
34-10 79x101 495cc OHC
34-12 OHV 65x75 249cc
34-B6 3.49hp Big Port OHV
34-B8 84x90 498cc Big Port OHV
Model B Sidecar
Model C Sidecar
R10 OHC
Utility Three-Wheeler

1935 Models

35/2 85.5 x 85.5 982cc V-twin SV
35/4 82.5x93 497
35/14
35/5 74x81 348cc
35/6 OHV
35/8 84x90 499cc
35/18
35/9 SV
35/12 OHV 62.5x80 245
35/22
35/16 69x93 348cc
35/26
35/7 OHC 70x90 346cc
35/10 79x101 495cc

1936 Models

Some 14 different models were produced for the 1936 season.
36/2 85.5 x 85.5 982cc V-twin
Model 26 Twin Port OHV
also Models 2A, 5, 8, 9, 18
Model 12 250cc

1937 Models
37/2.37/2A 85.5 x 85.5 982cc V-twin
and many more

1938 Models
38/2, 38/2A 85.5 x 85.5 982cc V-twin
R7 348cc OHC
and many more

1939 Models
39/2. 39/2A 85.5 x 85.5 982cc V-twin
and many more

1940 Models
40/2 85.5 x 85.5 982cc SV V-twin (Same as Matchless X, same engine as Brough SS80)
40/2a 85.5 x 85.5 982cc Sidevalve V-twin, Colonial model


Sources: vintage-ajs.de


If you have a query about about this page, or have some information to add, please contact us

Classic Motorcycle Fibreglass
Classic Motorcycle Fibreglass
Tanks, seats, guards and fairings for classic bikes, cafe racers and post-classic motorcycles.