If you want to do fixes for your Jincheng GX 125 SR then it is usually recommended to have access to a Workshop Manual to keep just for personal reference if you want to know tips to take out a particular component for example the Wheel and match it again accurately.
Jincheng GX 125 SR Workshop Manuals offers clear unique diagnostic guidelines on your vehicle therefore if something is broken it can help you find out what the problem is and tips to resolve it. After that you can evaluate if this can be done yourself or if the job is too big you can still make a booking for your GX 125 SR right into a decent repair garage.
Jincheng GX 125 SR manual