If you have to execute fixes to your Yamaha Midnight Warrior then it is always a good plan to have a Workshop Manual to use as personal reference just in case you need to know the best ways to strip off a particular component much like the Drive Shaft and fit it again accurately.
Yamaha Midnight Warrior Workshop Manuals will give you special diagnostic information on your car so if something is faulty it helps you identify what the issue is and tips on how to make it better. You can then assess if this can be done yourself or if ever the job is too big you are able to make a booking for your Midnight Warrior in to a nearby garage.
Yamaha Midnight Warrior manual