EntityQ9163594· pop 5· linked from 79 articlesBSA B25Sign in to saveseries of motorcycles made by the Birmingham Small Arms CompanyConnectionsfour-stroke engineEntityplain bearingEntitydrum brakeEntitysingle-cylinder engineEntityBirmingham Small Arms CompanyEntityYouTubeConceptzincEntityInternational Standard Book NumberEntitymotorcycleEntitypowerEntityvehicle registration plateEntitycast ironEntitycarburetorEntityZener diodeEntitybrakeEntityclutchEntityholding companyEntityshock absorberEntitycamshaftEntityconnecting rodEntityCategoriesBSA motorcyclesMotorcycles introduced in 1967Single-cylinder motorcycles