If you want to accomplish maintenance tasks on your own Rieju RR 2000 then it will always be a good idea to have access to a Workshop Manual to use as a guide just in case you need to know the best way to remove a specific component including Exhaust and install it again perfectly.
Rieju RR 2000 Workshop Manuals offers clear specified diagnostic wisdom for the vehicle so if something is playing up it can help you understand what the problem is and tips to correct it. After that you can assess if you can do this by yourself or in case the job is simply too big you could make a reservation for your RR 2000 into a trusted garage.
Rieju RR 2000 manual