If you wish to accomplish maintenance to your Kawasaki GTO 125 then it will always be a great idea to have a Workshop Manual for personal reference if perhaps you need to know proven methods to take out a particular component including Brake Pads and install it again accurately.
Kawasaki GTO 125 Workshop Manuals provides identifiable diagnostic info on your car or truck so if something is broken it can help you understand what the situation is and ways to resolve it. After that you can evaluate if you can do this yourself or in case the job is too big you are able to book your GTO 125 right into a local garage.
Kawasaki GTO 125 manual