If you want to conduct maintenance to your Yamaha XS 850 then it will always be a great idea to possess a Workshop Manual to keep just for personal reference in the event you need to know tips on how to take out a certain component for example the Wheel Bearing and fit it again in the correct way.
Yamaha XS 850 Workshop Manuals offers you identifiable diagnostic information for the vehicle so if something is playing up it helps you discover what the problem is and easy methods to correct it. After that you can determine if this can be achieved on your own or if the job is just too big you can still make a booking for your XS 850 into a local mechanic.
Yamaha XS 850 manual