If you want to execute fixes to your Beta RR 50 Enduro then it will always be recommended to have a Workshop Manual to keep just for a reference just in case you want to know proven methods to take out a specific component like the Exhaust and install it again in the correct manner.
Beta RR 50 Enduro Workshop Manuals offers you identifiable diagnostic information for the vehicle so if something is playing up it can help you ascertain what the situation is and methods to resolve it. You can then assess if this can be done yourself or in case the job is just too big you can book your RR 50 Enduro in to a nearby friendly mechanic.
Beta RR 50 Enduro manual