If you have to carry out repairs on your Rieju MRX then it is usually a good idea to have a Workshop Manual for a reference if you want to know techniques to take out a certain part such as the Drive Shaft and fit it again perfectly.
Rieju MRX Workshop Manuals provide you with precise diagnostic information on your automobile so if something is broken it can help you figure out what the problem is and how you can correct it. You can then decide if this can be done yourself or that the job is just too big you could make a booking for your MRX in with a local friendly mechanic.
Rieju MRX manual