If you wish to execute fixes for your Honda CB 125 disc then it will always be a good plan to own a Workshop Manual for reference if you want to know easy methods to take out a particular part much like the Brake Pads and install it again correctly.
Honda CB 125 disc Workshop Manuals provide you with unique diagnostic guides with regards to your car so if something is faulty it helps you determine what the situation is and ways to make it better. After that you can determine if you can do this by yourself or in the event the job is too big you are able to make a reservation for your CB 125 disc into a trusted car garage.
Honda CB 125 disc manual