If you wish to execute repairs on your Hyosung GT 650R then it will always be recommended to have a Workshop Manual to keep just for personal reference should you need to know the best ways to take out a particular part including Wheel and match it again efficiently.
Hyosung GT 650R Workshop Manuals will provide you with identifiable diagnostic facts for the car or truck therefore if something is faulty it can help you find out what the issue is and the way to repair it. You will be able to analyse if this can be done yourself or if ever the job is too big you can make a booking for your GT 650R right into a suitable friendly mechanic.
Hyosung GT 650R manual