If you need to carry out adjustments for your Triumph Trophy 1200 then it will always be recommended to have access to a Workshop Manual to use as personal reference should you want to know the best way to remove a particular part like the Drive Shaft and match it again perfectly.
Triumph Trophy 1200 Workshop Manuals can offer you detailed diagnostic info for the car therefore if something is not working it can help you figure out what the situation is and how to repair it. You will be able to analyse if you can do this on your own or if ever the job is just too big it is possible to book your Trophy 1200 into a decent repair garage.
Triumph Trophy 1200 manual