What is a BSA 350cc B31?
Olivia Shea
Updated on April 29, 2026
The BSA 350cc B31 and B33 500 cc workhorses originated in immediate post-war years with contemporary modern styling, albeit owing much of their engineering to pre-war progenitors.
What is the engine number of a BSA 350cc work horse?
Engine number: BB33 627 The BSA 350cc B31 and B33 500 cc workhorses originated in immediate post-war years with contemporary modern styling, albeit owing much of their engineering to pre-war progenitors.
How many CC does a 1930s BSA motorcycle have?
249cc. During the 1930s BSA concentrated on producing a range of dependable, well-made, competitively priced motorcycles.
What led BSA into motorcycles?
Bicycle manufacture was what led BSA into motorcycles. The subsidiary business BSA Bicycles Ltd was sold to Raleigh Industries in 1957. The first wholly BSA motorcycles were built in 1910, before then engines had come from other manufacturers. BSA Motorcycles Ltd was set up as a subsidiary in 1919.
