View Bsa B40 Frame Numbers Pics. It was a random selection at the factory on the main 1967 contract. On most bsa's the frame number is located in the following places.
It was a random selection at the factory on the main 1967 contract.
Bsa engine frame numbers (1912 1974) numbers list eng. There are a few small dents in the frame, which can be clearly seen in the photos. The frame and engine numbers are not the same, however i am not sure if they are suppose to on this year & model. The c15 sports star 80's and b40 sports star 90's engine markings were often abbreviated to css and bss respectively.