If you choose to do repairs for your Hyosung RX 125D E then it is always recommended to have a Workshop Manual to keep just for personal reference just in case you want to know the best ways to take off a particular part for example, the Wheel Bearing and fit it again appropriately.
Hyosung RX 125D E Workshop Manuals are able to offer certain diagnostic details on your car therefore if something is playing up it can help you work out what the problem is and the way to fix it. You can then assess if you can do this on your own or in case the job is just too big you can actually make a reservation for your RX 125D E into a trusted mechanic.
Hyosung RX 125D E manual