If you choose to do fixes on your Yamaha XC 300 Versity then it is always a good idea to have access to a Workshop Manual to keep just for a guide in case you need to know tips on how to take off a specific component much like the Gearbox and install it again in the right way.
Yamaha XC 300 Versity Workshop Manuals offers you certain diagnostic information on your car or truck so if something is wrong it will help you find out what the issue is and some ways to make it better. After that you can evaluate if you can do this yourself or if ever the job is simply too big you are able to make a booking for your XC 300 Versity in with a nearby mechanic.
Yamaha XC 300 Versity manual