If you have to accomplish adjustments on your Suzuki GS 750 then it will always be a good plan to have a Workshop Manual to use as a reference if you need to know the right way to strip off a specific component for example the Wheel Bearing and fit it again properly.
Suzuki GS 750 Workshop Manuals can provide exact diagnostic guides for the car or truck so if something is faulty it will help you understand what the situation is and easy methods to repair it. After that you can analyse if you can do this on your own or that the job is too big you could make a booking for your GS 750 in with a nearby friendly mechanic.
Suzuki GS 750 manual