If you have to conduct maintenance to your Triumph Rocket III Classic then it is always a good plan to have a Workshop Manual to use as a reference if perhaps you need to know the right way to take out a specific component like the Clutch and match it again in the correct way.
Triumph Rocket III Classic Workshop Manuals will provide you with special diagnostic details for the car or truck therefore if something is playing up it can help you understand what the problem is and methods to fix it. You can then decide if this can be done by yourself or in the event the job is too big you can still make a reservation for your Rocket III Classic into a decent repair garage.
Triumph Rocket III Classic manual