For the 2018 Wolverine, the factory reference is LIT-11616-31-43. The machine itself carries model code YXE70WDBJD, and that code is the first thing to check.
Yamaha published this book for the 2018 model year and included the R-Spec EPS and R-Spec EPS Hunter in the same volume. The base machine and the EPS versions share nearly all of their service work, which is why the factory chose to document them together.
Inside
Torque specifications, service limits, adjustment values, illustrated removal and installation steps, wiring diagrams and fault-finding procedures. The troubleshooting sections start from what an owner actually observes, then narrow to a component.
This is the same information a dealer technician would open for the job, presented in factory order.
