If you need to do adjustments on your own Honda CB 750 F 1 then it is always a good idea to have a Workshop Manual to keep just for a reference in the event that you need to know proven methods to remove a specific component much like the Gearbox and fit it again in the correct way.
Honda CB 750 F 1 Workshop Manuals can offer you distinct diagnostic facts on your vehicle so if something is faulty it helps you ascertain what the problem is and how you can resolve it. You can then analyse if this can be achieved on your own or if the job is too big you can actually make a booking for your CB 750 F 1 into a nearby mechanic.
Honda CB 750 F 1 manual