BSA Parts List 1949 to 1953 B31 B32 B33 B34

Information

BSA Parts Catalogue for 1949-1953 Single Cylinder 350 and 500cc Models
Re-printed coil bound copy of the factory publication, A4 page size.

350cc B31 (road going) and B32 (competition)

500cc B33 (road going) and B34 (competition)

Covering Frame and Engine Numbers (at start of production year)

1949: Rigid Frame ZB31-101, Spring Frame ZB31S-101, 
          350cc Engines: B31 Eng.ZB31-101, B32 Eng.ZB32-101
          500cc Engines: B33 Eng.ZB33-101, B34 Eng.ZB34-101

1950: Rigid Frame ZB31-9001, Spring Frame ZB31S-5001, 
          350cc Engines: B31 Eng.ZB31-9001, B32 Eng.ZB32-3001                                                          B32 Alloy Eng.ZB32A-3001
          500cc Engines: B33 Eng.ZB33-4001, B34 Eng.ZB34-2001                                                          B34 Alloy Eng.ZB34A-2001

1951: Rigid Frame ZB31-14001, Spring Frame ZB31S-10001, 
          350cc Engines: B31 Eng.ZB31-15001, B32 Eng.ZB32-4001                                                        B32 Alloy Eng.ZB32A-4001
          500cc Engines: B33 Eng.ZB33-7001, B34 Eng.ZB34-3001                                                          B34 Alloy Eng.ZB34A-3001

1952: Rigid Frame ZB31-19001, Spring Frame ZB31S-17001, 
          350cc Engines: B31 Eng.ZB31-21001, B32 Eng.ZB32-5001                                                        B32 Alloy Eng.ZB32A-5001
          500cc Engines: B33 Eng.ZB33-11001, B34 Eng.ZB34-4001                                                        B34 Sand Cast Alloy Eng.ZB34A-4001
                                    B34 Die Cast Alloy Eng.ZB34A-5001

1953: Rigid Frame BB31-101, Spring Frame BB31S-101, 
          350cc Engines: B31 Eng.BB31-101, B32 Eng.BB32A-101