1990-1997 Yamaha 650/700 Waverunner III Service Manual

Service manual for Yamaha Waverunner III 650/700 from 1990-1997. Covers maintenance, repair, and troubleshooting. PN E20701-0.

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Technical Safety Notice
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This official OEM document is intended for professional technicians and skilled operators. Performing service on mechanical equipment involves inherent risks. By purchasing, you acknowledge that RepairLoader provides original manufacturer data for informational purposes. Always prioritize safety: use correct tools, wear protective gear, and consult a certified professional if you are uncertain of any procedure.

Yamaha Models Covered & Key Technical Specifications

Models: Yamaha Waverunner III 650, Yamaha Waverunner III 700
Sub-models / Variants: 650, 700
Trade Names: Waverunner III
Build Years: 1990–1997
Serial Numbers: FJO: 100101–, 6R8: 000101–
Technical Data:

  • Engine displacement: 633 cc
  • Engine configuration: 2-stroke, 2-cylinder
  • Max power output: 36.8 kW (50 ps) at 6,000 rpm
  • Cooling system: Water-cooled
  • Fuel tank capacity: 40 L (10.6 US gal) including 7 L (1.86 US gal) reserve
  • Oil tank capacity: 4 L (1.06 US gal)
  • Ignition system: C.D.I.
  • Propulsion system: Axial flow jet pump, single stage with reverse thrust
  • Steering nozzle angle: 23° ±1°
  • Compression pressure: 981 kPa (142.2 psi)
  • Spark plug type: NGK BR8HS
Technical Specifications
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Document Number / Seller:
25980 / Cynthia Gomez
File Size:
71.85 MB
File Type:
PDF
Language:
English
Pages:
804
Printable:
Yes
Category:
Personal-Watercraft-PWC
Last updated / verified
Aug 27, 2025

Yamaha Manual Features & Content Preview

Yamaha Waverunner III 1990–1997 Service Manual Coverage

  • Covers 1990–1997 Yamaha Waverunner III personal watercraft, including both 650 and 700 cc variants, featuring full factory maintenance and repair data
  • Official Yamaha documentation P/N E20701-0, detailing engine, chassis, and jet drive assembly procedures
  • Contains 12 detailed exploded-view diagrams for the fuel and oil injection systems and 7 technical specifications tables including torque settings
  • File delivered as a direct download the moment payment clears
  • Indexed PDF search covers every chapter and appendix
  • This 804-page collection serves as the factory-authorized reference for the FJO-series hull and 6R8-engine assembly, maintaining original component tolerances and fluid capacities.

Component and Systems Documentation

The 1990–1997 Yamaha Waverunner III manual provides deep insights into major mechanical systems. Coverage includes the complete power unit overhaul, ranging from piston-to-cylinder clearance measurement to crankshaft deflection analysis. The fuel and oil injection chapters detail assembly, inspection, and pressure hose routing, providing clear diagrams for fuel pump, diaphragm, and carburetor setup. Hull maintenance, including bilge system components, steering cable adjustments, and exhaust system sealing, is documented with precise component-level details.

Technical Specifications Preview

This manual provides comprehensive reference data for the 650 and 700 cc power units. Piston-to-cylinder clearance is documented at 0.080–0.085 mm with a wear limit of 0.1 mm. The fuel system relies on a 40-liter tank, while the oil injection system requires Yamalube 2-stroke outboard lubricant. Cylinder head bolt torque values are specified in a two-stage sequence, starting at 15 Nm and finishing at 30 Nm. Battery specific gravity is listed at 1.28 at 20°C (68°F). what an OEM service publication covers provides the necessary details to interpret the included wiring schematics and electrical troubleshooting sections.

Note: This page is a contents overview for the manual. It does not provide repair or diagnostic instructions. An official 804-page Yamaha OEM workshop manual covering the 1990–1997 Waverunner III, documenting engine, chassis, electrical, and jet pump specifications for the 650/700 series build.

Document Reference: Yamaha Waverunner III 650/700 (E20701-0)

Manual FAQ, Purchase & Download Details

What primary systems are detailed in the chapter listings of this 1990-1997 service manual? keyboard_arrow_down

Document contains dedicated chapters for the fuel system, power unit, jet pump unit, and electrical system to cover the Waverunner III series.

Is there information within the manual regarding the cooling system and its maintenance? keyboard_arrow_down

Manual includes a section on cooling system flushing to help prevent clogging from salt, sand, or dirt. This information explains the use of the water check plug for these specific maintenance procedures.

Are there technical specification tables provided for maintenance reference values? keyboard_arrow_down

Specifications chapter includes tables for maintenance limits, torque specifications, and general reference data. These tables are designed to support standard service operations for the 650 and 700 models.

Which publication cues indicate that this is the comprehensive Waverunner III 1990-1997 series document? keyboard_arrow_down

Document includes the series title and model compatibility on the cover, along with an index that lists the nine primary chapters covering the complete machine.

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