1986-1993 Yamaha WaveRunner 500 / WR500 Marine Jet 500T Service Manual
Full service documentation for the Yamaha WaveRunner 500 & WR500 Marine Jet 500T, addressing engine unit removal, fuel system inspection, and electrical system maintenance. P/N: E10700-0.
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Sample pages from the 1986-1993 Yamaha WaveRunner 500 / WR500 Marine Jet 500T Service Manual manual
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Yamaha Models Covered & Key Technical Specifications
Models: Yamaha WaveRunner 500 (WR500), Marine Jet 500T (WJ500)
Build Years: 1986–1993
Serial Numbers: Starting serial number EUO 000101, Starting serial number EW3 000101
Technical Data:
- Engine speed (idle): 1,500 RPM
- Cylinder bore standard: 72 mm
- Piston-to-cylinder clearance: 0.060–0.065 mm
- Spark plug: NGK B-7HS
- Compression pressure: 981 kPa (142.2 psi)
- Fuel tank capacity: 3.4 gallons
- Flywheel nut torque: 140 Nm (100 ft-lb)
- Battery specific gravity: 1.28 at 20°C (68°F)
Yamaha Manual Features & Content Preview
Yamaha WaveRunner 500 and Marine Jet 500T Technical Scope
- Covers 1986–1993 Yamaha WaveRunner 500 (WR500) and Marine Jet 500T (WJ500) personal watercraft
- Original OEM publication E10700-0
- Contains over 100 exploded-view diagrams and specialized technical specification tables
- File link appears in your order confirmation straight away
- OCR text layer lets you jump to a torque spec by keyword
- Suitable for printing individual sections for shop-floor use
- Permanent availability in your purchase account — no re-buy required
- This service publication is the primary factory reference for the 500cc series, featuring specific fuel hose routing diagrams and jet pump shimming charts essential for these early PWC models
Component and System Documentation
The 1986–1993 Yamaha WaveRunner 500 service manual details the complete mechanical architecture for the WR500 and WJ500 personal watercraft. This official factory publication outlines maintenance procedures for the engine, fuel system, jet pump, and electrical systems, while providing clear structural diagrams for the hull and hood assemblies. Maintenance schedules are included to assist in managing seasonal service intervals, along with critical identification data for engine and hull serial numbers to match replacement parts correctly.
Specification Highlights
Detailed specifications are provided for all major engine components, including cylinder bore limits, piston-to-cylinder clearances, and crankcase assembly data. Torque values for engine fasteners, fuel system components, and jet pump assembly are documented to ensure precise installation. The electrical section includes wiring diagrams and CDI system test procedures for troubleshooting ignition circuits. Reference how factory workshop documentation is structured to better understand the technical information provided.
Note: This page is a contents overview for the manual. It does not provide repair or diagnostic instructions. Always consult a certified technician before performing service on this equipment. An official Yamaha OEM workshop manual covering the 1986–1993 Yamaha WaveRunner 500 and Marine Jet 500T, documenting engine, chassis, electrical, and jet pump specifications for these classic personal watercraft models.
Document Reference: E10700-0
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