If you choose to carry out maintenance tasks for your BSA A 65 SS Firebird then it is always a good idea to own a Workshop Manual to keep just for reference in case that you want to know how you can take off a specific component like the Drive Shaft and fit it again the right way.
BSA A 65 SS Firebird Workshop Manuals will give you identifiable diagnostic wisdom for your car or truck so if something is not working it can help you ascertain what the situation is and tips to correct it. Then you are able to decide if you can do this yourself or in the event the job is simply too big you could book your A 65 SS Firebird in to a suitable repair garage.
BSA A 65 SS Firebird manual