If you wish to execute adjustments on your own Yamaha XV 500 SE then it is usually a good idea to possess a Workshop Manual to use as reference in case that you need to know the right way to take out a particular component for example the Gearbox and install it again properly.
Yamaha XV 500 SE Workshop Manuals provide you with certain diagnostic info on your car or truck so if something is wrong it can help you ascertain what the issue is and methods to repair it. You can then assess if this can be done on your own or if the job is just too big you are able to book your XV 500 SE in with a nearby car garage.
Yamaha XV 500 SE manual