If you have to execute fixes to your Sachs Roadster 125 then it is always a good plan to have access to a Workshop Manual to use as reference in the event you want to know methods to take off a certain part for example Door and match it again successfully.
Sachs Roadster 125 Workshop Manuals will give identifiable diagnostic guidelines for the automobile so if something is broken it helps you understand what the situation is and some ways to fix it. Then you are able to analyse if this can be done on your own or if the job is simply too big it is possible to book your Roadster 125 right into a decent repair garage.
Sachs Roadster 125 manual