If you need to undertake fixes on your Sym R1 Z 125 then it is usually a good plan to have a Workshop Manual for personal reference in case that you need to know simple methods to take out a particular component for example the Door and install it again in the correct way.
Sym R1 Z 125 Workshop Manuals provides certain diagnostic information for your car so if something is not working it will help you discover what the issue is and how you can resolve it. Then you are able to evaluate if this can be done by yourself or if the job is simply too big you can still make a reservation for your R1 Z 125 in with a trusted repair garage.
Sym R1 Z 125 manual