If you wish to execute maintenance for your Rieju MX 50 then it is always recommended to possess a Workshop Manual to use as personal reference in the event that you need to know the best ways to remove a specific part much like the Drive Shaft and match it again perfectly.
Rieju MX 50 Workshop Manuals gives you exact diagnostic info for your car or truck so if something is not working it can help you work out what the problem is and tips to repair it. Then you are able to determine if this can be done yourself or in the event the job is too big you can actually make a reservation for your MX 50 in to a nearby friendly mechanic.
Rieju MX 50 manual