Haynes Manual for BSA Pre-Unit Singles

Models Covered by this Manual:

• BSA B31 ohv single 348cc. 1954 to 1959
• BSA B32 Competition model 348cc. 1955 to 1957
• BSA CB and DB 32 Gold Star 348cc. 1954 to 1957
• BSA M20 side-valve single 496cc. 1954 to 1955
• BSA M33 ohv single 499cc. 1954 to 1957
• BSA B33 ohv single 499cc. 1954 to 1960
• BSA B34 Competition model 499cc. 1955 to 1957
• BSA CB, DB and DBD 34 Gold Star 499cc. 1954 to 1961
• BSA M21 side-valve single 591 cc. 1954 to 1961