If you wish to carry out fixes for your Yamaha Versity 300 then it is always a good plan to have a Workshop Manual to keep just for a reference in the event you want to know how to remove a particular part for example the Gearbox and fit it again adequately.
Yamaha Versity 300 Workshop Manuals offers you exact diagnostic guides for the car or truck so if something is playing up it will help you discover what the issue is and methods to resolve it. You will be able to assess if this can be done on your own or that the job is too big you could make a reservation for your Versity 300 into a trusted garage.
Yamaha Versity 300 manual