If you need to undertake maintenance tasks on your MZ RT 125 then it will always be recommended to have access to a Workshop Manual to use as a guide in the event that you need to know the best way to take off a particular component for example, the Brake Discs and install it again efficiently.
MZ RT 125 Workshop Manuals will give you distinct diagnostic facts for the car so if something is faulty it will help you ascertain what the issue is and methods to make it better. Then you are able to analyse if this can be done by yourself or that the job is too big you can actually book your RT 125 in to a nearby car garage.
MZ RT 125 manual