If you wish to do maintenance tasks on your Yamaha JogRR then it is usually a great idea to own a Workshop Manual to use as reference in the event you want to know how you can remove a certain part for example the Drive Shaft and fit it again correctly.
Yamaha JogRR Workshop Manuals offers clear exact diagnostic info with regards to your automobile so if something is not working it will help you understand what the issue is and methods to make it better. You will be able to determine if this can be done yourself or if ever the job is simply too big it is possible to book your JogRR in to a decent repair garage.
Yamaha JogRR manual