Barber's Best

A virtual tour of the classic motorcycle collection on display at the Barber Vintage Motorsports Museum in Leeds, Ala.

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1939 BSA B12 Sports

1/9/2013 12:56:00 PM

Tags: Barber's Best, BSA

1939 BSA B12

1939 BSA B12 Sports

Country: Great Britain
Engine: Air-cooled single-cylinder 4-stroke
Ignition: Lucas magneto
Power rating: 12hp
Bore x Stroke: 63 x 80mm
Displacement: 249cc
Valves: Overhead, pushrod-activated
Fuel System: Single Amal, 25/32-inch bore carburetor
Transmission: 4-speed
Suspension: Front girder forks, rigid rear
Brakes: Front and rear drum
Weight: 325lb.

1939 BSAB12

BSA's 250s were available in two versions, Standard with side valve motors, and Sports with overhead valves. BSA continued this Sports model's basic design on to the later B31 350cc and B33 500cc models and, of course, on the legendary Gold Star.

BSA B12



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