If you want to perform maintenance tasks on your Yamaha XS 650 CX6 then it will always be a great idea to own a Workshop Manual to keep just for a reference if you need to know techniques to remove a certain part much like the Brake Pads and install it again successfully.
Yamaha XS 650 CX6 Workshop Manuals provide you with certain diagnostic guidelines for your car or truck so if something is wrong it can help you understand what the situation is and methods to make it better. You can then evaluate if you can do this yourself or in case the job is simply too big you could book your XS 650 CX6 right into a suitable car garage.
Yamaha XS 650 CX6 manual