If you choose to execute maintenance tasks for your Honda CB1000R then it is always a good idea to possess a Workshop Manual to use as personal reference should you need to know how to take out a particular component for instance the Gearbox and match it again in the correct way.
Honda CB1000R Workshop Manuals can provide targeted diagnostic guidelines for the vehicle so if something is not working it can help you identify what the situation is and how to correct it. You will be able to decide if you can do this on your own or if the job is simply too big you can book your CB1000R in with a suitable repair garage.
Honda CB1000R manual