If you have to execute auto repairs on your Yamaha RX 100 then it is usually recommended to have access to a Workshop Manual to keep just for personal reference in case that you need to know tips to strip off a certain component for instance the Wheel and fit it again adequately.
Yamaha RX 100 Workshop Manuals offers clear identifiable diagnostic information for the vehicle so if something is playing up it helps you work out what the problem is and easy methods to make it better. You will be able to assess if this can be achieved by yourself or if the job is simply too big you can actually book your RX 100 into a decent mechanic.
Yamaha RX 100 manual