If you want to carry out maintenance tasks for your Honda CB 500 then it is usually a good plan to have a Workshop Manual for personal reference in the event you want to know methods to take off a particular part such as the Dashboard and install it again in the correct way.
Honda CB 500 Workshop Manuals can provide detailed diagnostic guides on your vehicle therefore if something is playing up it helps you find out what the issue is and the way to repair it. You will be able to evaluate if you can do this on your own or in the event the job is too big you could make a booking for your CB 500 right into a trusted friendly mechanic.
Honda CB 500 manual