If you have to conduct repairs to your Rieju MX 50 Disk then it will always be a good idea to have access to a Workshop Manual for personal reference in case that you need to know tips to remove a specific part much like the Exhaust and install it again in the right way.
Rieju MX 50 Disk Workshop Manuals gives you special diagnostic info on your car therefore if something is faulty it can help you figure out what the situation is and methods to fix it. After that you can decide if you can do this on your own or if the job is simply too big it is possible to make a reservation for your MX 50 Disk in with a nearby friendly mechanic.
Rieju MX 50 Disk manual