If you wish to accomplish auto repairs to your Hyosung RT125 then it is always recommended to have a Workshop Manual for a guide in case that you want to know the best ways to remove a specific component for example, the Gearbox and match it again perfectly.
Hyosung RT125 Workshop Manuals will give precise diagnostic guidelines for the car so if something is playing up it will help you understand what the issue is and how to resolve it. You will be able to determine if you can do this by yourself or in case the job is just too big you can still make a booking for your RT125 right into a trusted repair garage.
Hyosung RT125 manual