If you want to conduct fixes to your Aprilia Atlantic 125 ie then it will always be a good idea to own a Workshop Manual for personal reference should you want to know the right way to remove a particular component including Brake Discs and install it again accordingly.
Aprilia Atlantic 125 ie Workshop Manuals will provide you with distinct diagnostic facts for the car or truck therefore if something is faulty it will help you find out what the problem is and tips on how to correct it. After that you can analyse if you can do this yourself or that the job is simply too big you could book your Atlantic 125 ie in with a trusted repair garage.
Aprilia Atlantic 125 ie manual