If you want to carry out maintenance to your Hyosung GT250 then it is usually a good idea to own a Workshop Manual for personal reference if you need to know the best ways to remove a certain component like the Dashboard and match it again effectively.
Hyosung GT250 Workshop Manuals offers you exact diagnostic info for the automobile so if something is playing up it can help you understand what the problem is and tips to repair it. After that you can decide if this can be done yourself or that the job is just too big you could book your GT250 right into a nearby garage.
Hyosung GT250 manual