If you have to conduct fixes to your Sym R1 Z 125 then it is usually a good idea to possess a Workshop Manual to keep just for reference if perhaps you need to know ways to take off a specific component for example, the Clutch and install it again properly.
Sym R1 Z 125 Workshop Manuals will provide you with exact diagnostic info with regards to your car therefore if something is wrong it can help you find out what the issue is and the best way to fix it. After that you can determine if this can be done yourself or that the job is just too big you can actually make a reservation for your R1 Z 125 into a decent garage.
Sym R1 Z 125 manual