| B Range - B31 & B33 |
Year |
B31 Engine |
B33 Engine |
Rigid Frame |
Spring Frame |
| |
1946 |
XB31-101 |
|
XB31-101 |
|
| 1947 |
XB31-101 |
XB33-101 |
XB31-101 |
|
| 1948 |
YB31-101 |
YB33-101 |
YB31-101 |
|
| 1949 |
ZB31-101 |
ZB33-101 |
ZB31-101 |
ZB31S-101 |
| 1950 |
ZB31-9001 |
ZB33-4001 |
ZB31-9001 |
ZB31S-5001 |
| 1951 |
ZB31-15001 |
ZB33-7001 |
ZB31-14001 |
ZB31S-10001 |
| 1952 |
ZB31-21001 |
ZB33-11001 |
ZB31-19001 |
ZB31S-17001 |
| 1953 |
BB31-101 |
BB33-101 |
BB31-101 |
BB31S-101 |
| 1954 |
BB31-6001 |
BB33-2001 |
BB31-1386 |
BB31S-5895 |
| |
BB31-6001 |
BB33-2001 |
|
CB31-101 |
| 1955 |
BB31-15001 |
BB33-5001 |
|
BB31S-12001 |
| |
BB31-15001 |
BB33-5001 |
|
CB31-6001 |
| 1956 |
BB31-22001 |
BB33-7301 |
|
EB31-101 |
| 1957 |
BB31- |
BB33- |
|
EB31- |
| 1958 |
GB31-101 |
GB33-101 |
|
FB31-101 |
| 1959 |
GB31-1909 |
GB33-662 |
|
FB31-2572 |
| 1960 |
|
GB33-1001 |
|
GB33-101 |
| BSA Unit Twins, 1962-65 |
1962 Eng./Frame |
1963 Eng./Frame |
1964 Eng./Frame |
1965 Eng./Frame |
| A50 |
A50-101/A50-101 |
A50-823/A50-2288 |
A50A-101/A50-5501 |
A50A-686/A50-8437 |
| A50 (Police) |
|
|
A50AP-101/A50-5501 |
A50AP-121/A50-8437 |
| A50C (USA) |
|
|
A50B-101/A50B-101 |
A50D-101/A50B-4001 |
| A50CC (USA) |
|
|
|
A50B-507/A50B-4001 |
| A50C & A50CC (UK) |
|
|
|
A50DC-101/A50B-4001 |
| A65 |
A65-101/A50-101 |
A65-1947/A50-2288 |
A65A-101/A50-5501 |
A65A-1134/A50-8437 |
| A65 (Police) |
|
|
A65AP-101/A50-5501 |
A65AP-267/A50-8437 |
| A65R |
|
|
A65B-101/A50-5501 |
A65B-334/A50-8437 |
| A65R (Rev counter) |
|
|
A65C-101/A50-5501 |
A65C-1082/A50-8437 |
| A65T/R |
|
|
A65B-101/A50-5501 |
|
| A65L/R |
|
|
A65D-101/A50B-101 |
A65D-1742/A50B-4001 |
| A65SH |
|
|
A65E-101/A50B-101 |
A65E-701/A50B-4001 |
| A65L & A65LC |
|
|
|
A65DC-2158/A50B-4001 |
| |
|
|
|
|
| BSA Unit Twins, 1966-69 |
1966 Engine |
1967 Eng. & Frame |
1968 Eng. & Frame |
1969 Eng. & Frame |
| A50 Royal Star |
A50R-101 |
A50RA-101 |
A50RB-101 |
A50RC-101 |
| A50 Wasp |
A50W-101 |
A50WA-101 |
A50WB-101 |
|
| A65 Thunderbolt |
A65T-101 |
A65TA-101 |
A65TB-101 |
A65TC-101 |
| A65 Lightning |
A65L-101 |
A65LA-101 |
A65LB-101 |
A65LC-101 |
| A65 Hornet |
A65H-101 |
A65HA-101 |
|
|
| A65 Firebird |
|
|
A65FB-101 |
A65FC-101 |
| A65 Spitfire |
A65S-101 |
A65SA-101 |
A65SB-101 |
|
| Frame No. - All Models |
A50C-101 |
|
|
|
| BSA Models 1969 On |
Code |
Month |
Code |
Month |
Code |
Month |
| First Letter |
A |
January |
E |
May |
K |
September |
| |
B |
February |
G |
June |
N |
October |
| |
C |
March |
H |
July |
P |
November |
| |
D |
April |
J |
August |
X |
December |
| |
| |
Code |
Model Year |
Code |
Model Year |
| Second Letter |
C |
August 1968 - July 1969 |
G |
August 1971 - July 1972 |
| |
D |
August 1969 - July 1970 |
H |
August 1972 - July 1973 |
| |
E |
August 1970 - July 1971 |
|
|
| |
| |
Model Year |
Model Codes |
| |
1969-70 |
D175, D175B, B25S, B44SS, B44VS, A50R, A65T, A65L, A65F, A75 |
| |
1971 |
D175, B25SS, B25T, A65FS |
| |
1971-72 |
B50SS, B50T, A65T, A65L, A75, A75V |
| |
1971-73 |
B50MX |
| |
1972 |
A70L |
|
All of the above information has been reproduced from the publications of Roy Bacon. Many of his
titles are available from us, find them in the Shopping>Accessories section of this site. click here
|
|
