If you wish to do maintenance for your Yamaha XV 250 S Virago then it is usually recommended to own a Workshop Manual for reference should you need to know tips to take out a certain part including Drive Shaft and install it again safely.
Yamaha XV 250 S Virago Workshop Manuals provides specific diagnostic information for your automobile therefore if something is faulty it can help you identify what the issue is and some ways to resolve it. You can then evaluate if you can do this on your own or if the job is simply too big you can still make a booking for your XV 250 S Virago in to a nearby friendly mechanic.
Yamaha XV 250 S Virago manual