If you need to conduct maintenance tasks for your Honda CB 1 then it will always be a good idea to possess a Workshop Manual for personal reference in the event that you need to know easy methods to strip off a certain part much like the Door and install it again accurately.
Honda CB 1 Workshop Manuals provides detailed diagnostic info for your automobile therefore if something is not working it helps you figure out what the situation is and how you can fix it. You will be able to analyse if this can be achieved yourself or that the job is simply too big you can still book your CB 1 in to a suitable repair garage.
Honda CB 1 manual