If you have to undertake maintenance for your Yamaha Why then it is always a good plan to possess a Workshop Manual for a guide in case that you want to know techniques to remove a specific part for example, the Drive Shaft and match it again in the correct way.
Yamaha Why Workshop Manuals can offer you unique diagnostic guides for your vehicle therefore if something is not working it can help you figure out what the issue is and tips on how to resolve it. After that you can analyse if you can do this by yourself or if ever the job is too big you could make a reservation for your Why in with a suitable mechanic.
Yamaha Why manual