If you wish to accomplish maintenance tasks for your Hyosung GF 125 E then it is usually a good plan to have access to a Workshop Manual to keep just for a guide if you want to know how you can take out a certain component for example, the Brake Pads and install it again in the correct manner.
Hyosung GF 125 E Workshop Manuals offer you detailed diagnostic details for the vehicle so if something is not working it will help you discover what the problem is and easy methods to correct it. Then you are able to analyse if this can be done on your own or in case the job is too big you are able to book your GF 125 E into a trusted garage.
Hyosung GF 125 E manual