If you wish to accomplish adjustments to your Hyosung GT250R then it is always a good idea to own a Workshop Manual for reference if you want to know ways to remove a specific component including Brake Pads and match it again accordingly.
Hyosung GT250R Workshop Manuals offer you identifiable diagnostic info for the car so if something is wrong it can help you identify what the issue is and the best way to make it better. You can then decide if this can be achieved by yourself or if the job is too big you are able to make a reservation for your GT250R right into a trusted mechanic.
Hyosung GT250R manual