If you wish to carry out adjustments for your Jincheng GX 125 SR then it is always a good plan to own a Workshop Manual for personal reference in the event you want to know the right way to take out a particular component like the Brake Discs and fit it again in the correct manner.
Jincheng GX 125 SR Workshop Manuals offers you targeted diagnostic details for the vehicle therefore if something is broken it will help you work out what the situation is and tips on how to fix it. After that you can determine if you can do this by yourself or in case the job is just too big you are able to make a booking for your GX 125 SR right into a suitable repair garage.
Jincheng GX 125 SR manual