If you choose to accomplish auto repairs to your Honda CBR 400F then it is usually a great idea to have a Workshop Manual to use as personal reference in the event that you need to know ways to strip off a particular component much like the Brake Pads and install it again accordingly.
Honda CBR 400F Workshop Manuals will provide you with detailed diagnostic guides on your vehicle so if something is faulty it helps you understand what the situation is and the way to resolve it. Then you are able to decide if this can be done on your own or in case the job is simply too big you can actually make a reservation for your CBR 400F into a nearby repair garage.
Honda CBR 400F manual