BSA Service Sheets B31 B32 B33 B34 Swinging Arm
Reprinted with good clear print and diagrams
Numerous illustrations and information on Engine, Gearbox,Clutch,Lubrication, Adjustments, Carburation, Magdyno,Regulators,Forks, Hubs, Brakes (full and single width), Lighting, Horn etc
105 pages A4 format