If you need to undertake repairs on your Rieju SMX 50 Pro then it is usually a good plan to own a Workshop Manual to keep just for reference in case you want to know the way to strip off a certain component for example, the Gearbox and fit it again accurately.
Rieju SMX 50 Pro Workshop Manuals can offer you detailed diagnostic information for the car so if something is not working it can help you find out what the issue is and the way to make it better. Then you are able to determine if this can be achieved by yourself or if ever the job is just too big you are able to make a booking for your SMX 50 Pro in with a nearby car garage.
Rieju SMX 50 Pro manual