BSA Motorcycles 1950s

BSA 1957 B33 500cc

Model: B33
Year: 1957
Displacement: 500 cc
Engine type: 4-stroke ohv single
Bore / Stroke: 85 x 88 mm
Power: 23hp
Weight: 170 kg
Top Speed: 130 km/h

Frame number: EA7 10466
Engine number: BB33 627

By 1959 the BSA 350cc B31 and B33 500 cc had the benefit of a well developed swing arm frame, telescopic forks, large fuel tank and a dual seat. Also by then a fully enclosed rear chaincase, headlamp nacelle, alternator electrics and more effective brakes were standard.

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BSA Models 1950-1959

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