These are usually faint and small.īy the steering head reinforcing plate or front down tube. Is the early Bantams where the frame number is between the front engine
On the front down tube below or in front of the petrol tank. On the front top frame member either by the front seat stay or by all A series models have A7 or A50 prefixes with the exception of It is rare for the engine and frame number to be identical and where theįrame is shared by several models the codes start with the smallest modelĮ.g. Is always stamped, raised numbers are casting part numbers. On most BSA's the frame number is located in the following places. If documentation is available then check the details against the machine. Satisfied then do not buy as mistakes can prove expensive later. It does not have any documentation or proof of origin. Therefore the 1953 BSA season ran from August 1952 through to July 1953.įirst, a word of caution to anybody buying a machine, particularly if Year through to the factory shut down in at the end of the following July. This ran, generally from the August in the previous calendar It should also be borne in mind that these listings are given in BSA Should help you identify the year and model of your machine.Īs with all listings of this type there will be mistakes. This information combined with the yearly numbers book BSA used a system of letters and numbers for yearly identification
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