If you want to undertake fixes on your Honda CX 500 C then it is usually a great idea to own a Workshop Manual for a guide in case you need to know proven methods to take off a particular part such as the Drive Shaft and install it again in the right way.
Honda CX 500 C Workshop Manuals provide you with unique diagnostic info on your automobile therefore if something is playing up it will help you understand what the situation is and how to correct it. You can then assess if you can do this on your own or if ever the job is too big you can actually book your CX 500 C in with a trusted repair garage.
Honda CX 500 C manual