If you wish to do maintenance tasks on your BMW R 80 GS Basic then it is always a good plan to have access to a Workshop Manual for reference if perhaps you want to know methods to strip off a particular part for instance the Exhaust and match it again safely.
BMW R 80 GS Basic Workshop Manuals offers clear detailed diagnostic facts with regards to your automobile so if something is not working it will help you understand what the issue is and tips on how to fix it. You can then decide if this can be achieved yourself or if the job is simply too big you can make a reservation for your R 80 GS Basic in to a trusted car garage.
BMW R 80 GS Basic manual