BSA Gold Stars - the real ones, are - DBD32 - 350cc & DBD34 - 500cc.
Then there are the B31 - 350cc and B33 - 500cc - these are the standard road bikes, but easily modified to go fast.
I may be wrong(usually am, they all say), but I don't think there was a DBD33.
Mike
Thanks Mike,got me stumped how you blokes work this bike & year stuff out,,
its probably best left to you too
as they say
SECRET MEN'S BUSINESSI did find this lot,cheers alison
Engine & Frame Numbers by Year
Year Model Notes Engine Number Frame Number Notes
1938 500cc - JM24 101 JM24 101 -
1939 500cc - KM24 101 KM24 101 -
1949 350cc - ZB32GS 101 ZB31 101 Rigid frames
1949 500cc - ZB34GS 101 ZB32S 101 Spring frames
1950 350cc - ZB32GS 2001 ZB31 9001 Rigid frames
1950 500cc - ZB34GS 2001 ZB32S 2001 Spring frames
1951 350cc - ZB32GS 3001 ZB31 14001 Rigid frames
1951 500cc - ZB34GS 3001 ZB32S 3001 Spring frames
1952 350cc - ZB32GS 4001 ZB31 19001 -
1952 350cc Clubmans & racing ZB32GS 6001 ZB31 19001 Rigid frames
1952 500cc Sand castings ZB34GS 4001 ZB32S 4001 Sprint frames
1952 500cc Die castings ZB34GS 5001 ZB32S 4001 -
1953 350cc - BB32GS 101 BB31 101 Rigid frames
1953 500cc - BB34GS 101 BB32S 101 Spring frames
1954 350cc - BB32GS1001 CB32 101 -
1954 500cc - BB34GS 1001 CB32 101 -
1954 350cc - CB32GS 101 CB32 101 -
1954 500cc - CB34GS 1001 CB32D 101 -
1954 500cc Daytona Model BB34GSD 101 CB32D 101 -
1955 350cc - BB32GS 2001 CB32 1501 -
1955 350cc - CB32GS 501 CB32 1501 -
1955 500cc - BB34GS 2001 CB32 1501 -
1955 500cc - CB34GS 501 CB32 1501 -
1955 350cc - DB32GS 101 CB32 1501 -
1955 500cc - DB34GS 501 CB32 1501 -
1956 350cc - DB32GS 501 CB32 4001 -
1956 500cc - DB34GS 501 CB32 4001 -
1956 500cc Revised Cyl. Head DBD34GS 2001 BB32R 301 -
1956 500cc USA Short Circuit DB34GS 501 BB32R 301 -
1957 350cc - DB32GS 501 CB32 4001 -
1957 500cc - DB34GS 501 CB32 4001 -
1957 500cc Revised Cyl. Head DBD34GS 2001 BB32 301 -
1957 500cc USA Short Circuit DB34GS 501 BB32 301 -
1958 350cc - DB32GS CB32 7001 -
1958 500cc - DBD34GS 3001 CB32 7001 -
1959 350cc - DB32GS 1501 CB32 7873 -
1959 500cc - DBD34GS 3753 CB32 7873 -
1959 500cc Catalina Scrambler DBD34GS 3753 CB32C 101 -
1960 350cc - DB32GS 1601 CB32 8701 -
1960 500cc - DBD34GS 4601 CB32 8701 -
1960 500cc Catalina Scrambler DBD34GS 4601 CB32C 351 -
1961 350cc - DB32GS 1741 CB32 10101 -
1961 500cc - DBD34GS 5684 CB32 10101 -
1961 500cc Catalina Scrambler DBD34GS 5684 CB32C 601 -
1962 350cc - DB32GS 1794 CB32 11001 -
1962 500cc - DBD34GS 6504 CB32 11001 -
1962 500cc Catalina Scrambler DBD34GS 6504 CB32C 741 -
1963 500cc - DBD34GS 6881 CB32 11451 -
1963 500cc Catalina Scrambler DBD34GS 6881 CB32C 857 -