If you have to conduct adjustments on your Sym RV1 then it is always a good plan to possess a Workshop Manual to keep just for a reference if you want to know easy methods to take out a particular part like the Drive Shaft and match it again the right way.
Sym RV1 Workshop Manuals will give unique diagnostic guidelines for the car or truck so if something is wrong it helps you figure out what the issue is and easy methods to make it better. You can then determine if this can be done on your own or in the event the job is simply too big you can book your RV1 right into a trusted friendly mechanic.
Sym RV1 manual