If you want to do repairs on your Yamaha V Star Custom then it is usually a good plan to have a Workshop Manual for a reference in case you need to know methods to remove a specific component for example the Drive Shaft and fit it again correctly.
Yamaha V Star Custom Workshop Manuals gives you precise diagnostic info on your car so if something is playing up it helps you work out what the problem is and the way to make it better. Then you are able to assess if this can be done on your own or if ever the job is simply too big you can actually make a reservation for your V Star Custom in to a decent repair garage.
Yamaha V Star Custom manual