If you need to perform maintenance tasks to your Rieju RS1 Evolution then it is always a good idea to have a Workshop Manual to keep just for a reference should you want to know simple methods to strip off a certain component for instance the Exhaust and install it again in the correct manner.
Rieju RS1 Evolution Workshop Manuals offer you particular diagnostic details on your automobile so if something is playing up it can help you identify what the issue is and tips on how to fix it. Then you are able to evaluate if this can be achieved on your own or that the job is simply too big you could make a reservation for your RS1 Evolution into a local garage.
Rieju RS1 Evolution manual