1987-1993 Yamaha Wavejammer / Waverunner 500 / 650 LX Service Manual

Inside the 1987–1993 Yamaha Wavejammer and Waverunner 500/650 LX Service Manual

• Covers 1987–1993 Yamaha Wavejammer 500, Waverunner 500, and Waverunner 650 LX personal watercraft variants
• Third-party publication from Midwest Manuals, providing technical reference for these classic PWC models
• Includes 12 exploded-view diagrams, 8 electrical wiring schematics, and 14 detailed torque-specification tables
• Accessible from your device as soon as the order is placed
• Laid out for standard letter and A4 printing
• Full-text search finds any part number in seconds
• Stored against your account so you can retrieve it after a hard-drive loss
• This 584-page manual serves as the primary technical reference for the 500-series engine and the 650 LX model build, capturing factory-specified clearances for the 1987–1993 period

Documentation Walkthrough

The 1987–1993 Yamaha Wavejammer and Waverunner 500/650 LX service manual contains extensive technical documentation organized by primary watercraft systems. The text details general maintenance intervals, fuel delivery components, and electrical system diagnostics, including specific procedures for the CDI unit. The engine unit sections describe internal inspection benchmarks for the cylinder head, crankshaft, and piston assemblies, while the jet pump unit chapters focus on drive shaft and impeller service.

The 1987–1993 Yamaha Wavejammer and Waverunner 500/650 LX manual also provides hull and hood maintenance information, covering steering column removal and steering cable adjustment. Understanding factory workshop documentation is essential for maintaining these vessels, as the manual outlines assembly sequences for complex components like the starter motor and jet pump housing.

Specification Highlights

Torque values for engine fasteners are documented in detail, such as the 28 Nm (20 ft.lb) requirement for cylinder head bolts. The starter motor commutator wear limit is specified at 31 mm (1.22 in). The Yamaha Wavejammer 500 engine displacement is 496 cc. The Waverunner 650 LX engine configuration requires 633 cc displacement values for identification. The compression pressure for these PWC models is 981 kpa (142.2 psi) according to the engine inspection section.

Reference only — always consult a certified technician before performing service on this equipment. An official-style 584-page workshop manual covering the 1987–1993 Yamaha Wavejammer and Waverunner 500/650 LX, documenting engine, chassis, electrical, and propulsion system specifications for the classic PWC build.