If you need to carry out fixes to your Suzuki GT 750 J then it will always be a good plan to have a Workshop Manual for a guide should you want to know methods to strip off a particular component for example, the Drive Shaft and install it again appropriately.
Suzuki GT 750 J Workshop Manuals will give you particular diagnostic info for the car therefore if something is faulty it helps you discover what the issue is and tips on how to correct it. After that you can assess if you can do this on your own or in the event the job is too big you could make a booking for your GT 750 J in to a trusted friendly mechanic.
Suzuki GT 750 J manual