BSA Motorcycle Frame/VIN Number Locations


BSA Motorcycle frame numbers are positioned for older bikes before 1969 on the left side of the frame near the engine mounting bracket.
Models from about 1970 either side of the frame towards the steering sleeve
Later models the number is located adjacent to the kickstand or on the steering sleeve.
Engine numbers can usually be located on the left side of the engine, stamped onto a raised lug
General locations for finding your BSA motorbike frame VIN number are:
  • Head stock or steering sleeve just below the handlebars
  • Frame down tubes
  • Side frame rail
  • Under the fuel tank or seat
  • Engine mounting bars
BSA frame numbers
BSA Motorcycle Frame/VIN Number Locations