If you wish to carry out maintenance to your BMW R65 then it will always be recommended to own a Workshop Manual to use as reference in the event that you need to know the right way to take out a specific component much like the Drive Shaft and fit it again properly.
BMW R65 Workshop Manuals offers clear unique diagnostic information on your car therefore if something is wrong it helps you understand what the problem is and how to correct it. After that you can analyse if this can be achieved yourself or that the job is simply too big you could make a booking for your R65 in to a local friendly mechanic.
BMW R65 manual