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 × 93mm 799cc Sidevalve V-twin, De-Luxe Sidecar Combination. £115
E2 74 × 93mm 799cc Sidevalve V-twin Combination. £90
E3 SV 74 × 81mm 349cc De-Luxe Touring. £57
E4 SV 74 × 81mm 349cc De-Luxe Sport. £57
E5 SV 74 × 81mm 349cc Standard Sport. £49.10s.
E6 OHV 74 × 81mm 349cc Sports. £60
E7 OHV 74 × 81mm 349cc Competition. POA.
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
AJS 1930 Models
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
See AJS 1930s 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 include vintage-ajs.de
If you have a query about about this page, or have some information to add, please contact us
