If you wish to execute adjustments on your own Hyosung GT 250 EFI then it will always be a great idea to have access to a Workshop Manual for personal reference in case that you want to know the way to remove a certain part including Clutch and match it again in the correct manner.
Hyosung GT 250 EFI Workshop Manuals will give you specific diagnostic information for the car or truck therefore if something is not working it helps you work out what the problem is and the best way to resolve it. You will be able to analyse if this can be achieved yourself or that the job is just too big you can still book your GT 250 EFI right into a trusted friendly mechanic.
Hyosung GT 250 EFI manual