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BSA 1954-57 B31 Parts Book
1954-1957 BSA B models parts book
B31 350cc Rigid & spring frame
B32 350cc Competition, Rigid frame
B33 500cc Rigid & spring frame
B34 500cc Competition, Rigid frame
B31 350cc Swing arm
B32 350cc Competition, Swing arm
B33 500cc Swing arm
B34 500cc Competition, Swing arm
135 page
Illustrated.