New to all this

[nige63]

 Hi
I have just purchased my first brit bike. The frame is C10 S and the engine ZC11 and is dated 1954. How can i find more info on it.

[JulianS]

There will be another letter before the C on the frame. Either a Z or a B.

Check the BSAOC website under machine dating;

https://www.bsaownersclub.co.uk/

[nige63]

Hi Thanks for the reply . Yes there is a Z it was hiding 

[JulianS]

This page from Glass's motor cycle check book might help.

[nige63]

Lovely thanks. Looks like its a 1952?.