UNIT B SERIES The C15 Sports Star 80's and B40 Sports Star 90's engine markings were often abbreviated to CSS and BSS respectively.EXTRA LETTERS A second series of letters and numbers starting ERS means that the unit has been replaced under the factory Exchange Replacement Service and the figures are the despatch sba number.These could be stamped anywhere and often were not stamped at all!Identifying engine and frame numbers, season onwards.The models are identified by the adding of an extra bbsa at the end of the frame marking putting the number series into the ,'s.Machines re- exported in were stamped with a 'Y' suffix to indicate that they were models and therefore eligible for the increased warranty.On most BSA's the frame number is located in the following places.It is always stamped; raised numbers are casting part numbers.
I guess the simple answer as to why he won’t call you his girlfriend is because he doesn’t have to.
The relationship at the moment is either working for you or it’s not.
I think there are a few traps in this sort of situation.
Up until it is rare for the engine and frame number to be identical and where the frame is shared by several models the codes start with the smallest model e.
This varies from model to model but usually it is on the front top frame member either by the front seat stay or by the steering head.