If you need to do repairs to your Hyosung GT650R then it is usually a good plan to possess a Workshop Manual to keep just for a reference in case you want to know tips on how to remove a specific component for example, the Gearbox and install it again the right way.
Hyosung GT650R Workshop Manuals will provide you with specified diagnostic guidelines with regards to your car or truck therefore if something is broken it can help you identify what the issue is and how you can resolve it. Then you are able to decide if this can be achieved on your own or in case the job is just too big you can book your GT650R in to a local garage.
Hyosung GT650R manual