1991 Yamaha WAVE RUNNER VXR Service and Repair Manual

This is one of the narrow ones. Yamaha's LIT-18616-00-64 was written for the 1991 Wave Runner VXR alone, model code WRB650P, with no other years or models folded in.

That makes it unusually direct to use. Every specification, every procedure and every diagram in it belongs to the craft you are working on, so there is nothing to cross-reference before you can act on a number.

The content is the factory's service material: torque figures, service clearances, disassembly and reassembly sequences, the wiring diagram and the troubleshooting procedures for engine, fuel, electrical and propulsion faults. For a machine of this age, that combination is most of what stands between a careful repair and a guess.

Check WRB650P on the hull identification plate, and quote LIT-18616-00-64 when you are chasing parts, since the VXR of this year is specific enough that generic descriptions rarely get you the right component.