1996 Yamaha WB760U WaveBlaster II Jetski Service Manual

WB760U detailed fuel system tuning — carburetor settings, jet specifications (Main Jet 135/137.5, Pilot Jet 115), and oil injection procedures with part numbers LIT-18616-01-47, 90890-06752.

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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 WB760U WaveBlaster II
Build Years: 1996
Serial Numbers: Primary I.D. GK5: 900101–, 910101– (FRA), 930101– (GUM, AUS); Engine Serial 64Y: 000101–; Pump Serial 64Y: 500101–
Technical Data:

  • Engine: 2-cylinder, 2-stroke, 754 cc
  • Cooling: Water-cooled
  • Ignition: Digital C.D.I. (15–20° BTDC)
  • Fuel System: Dual floatless carburetors with oil injection (50:1 mix)
  • Propulsion: Single-stage axial flow jet pump
  • Dry Weight: 180 kg (397 lb)
  • Fuel Tank Capacity: 40 L (10.6 US gal)
Technical Specifications
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Document Number / Seller:
24885 / George Thompson
File Size:
9.39 MB
File Type:
PDF
Language:
English
Pages:
144
Printable:
Yes
Category:
Personal-Watercraft-PWC
Last updated / verified
Feb 5, 2025

Yamaha Manual Features & Content Preview

1996 Yamaha WB760U WaveBlaster II Technical Scope

  • Covers 1996 Yamaha WB760U WaveBlaster II personal watercraft, featuring the 754 cc two-cylinder, two-stroke engine and single-stage axial flow jet pump configuration
  • Official Yamaha publication LIT-18616-01-47, first edition February 1996
  • Contains over 40 exploded-view diagrams, 15 specialized tool references, and complete wiring schematics for the ignition, charging, and indication systems
  • Delivered as a direct download the moment payment clears
  • Full-text search finds any part number in seconds
  • Laid out for standard letter and A4 printing
  • This 1996 first edition is the original factory documentation used for the initial WaveBlaster II model launch

Yamaha WaveBlaster II Systems Walkthrough

This 1996 Yamaha WB760U service manual documents the complete range of mechanical and electrical systems for the WaveBlaster II watercraft. Chapters provide technical data for the power unit, including cylinder head, reed valve, muffler, crankcase, and crankshaft assembly components. The fuel system section details carburetion, oil pump circuits, and tank assembly, while the electrical section covers ignition, starting, and indication systems with wiring diagrams.

The 1996 Yamaha WB760U publication further outlines the jet pump unit, focusing on impeller and drive shaft assembly, cooling, and bilge systems. Periodic inspection and adjustment schedules are defined to maintain internal clearances and system performance. Reference tables document tightening torques, fluid capacities, and wear limits for chassis and engine components.

Specification Highlights

Engine cylinder head bolt torque is specified at 36 Nm (26 ft-lb) in the assembly data. Intake reed valve bending limit is listed at 0.2 mm in the power unit inspection chart. The 1996 Yamaha WB760U ignition coil primary winding resistance is documented at 0.078–0.106 ohms at 20°C. For what an OEM service publication covers, refer to the diagnostic parameters for the CDI unit and pulser coil resistance values. Note: Reference only — always consult a certified technician before performing service on this equipment. This official 144-page Yamaha OEM workshop manual provides detailed specifications, torque values, and electrical system schematics for the 1996 Yamaha WB760U WaveBlaster II personal watercraft.

Manual FAQ, Purchase & Download Details

Does this manual correspond to the 1996 edition for the WB760U WaveBlaster II? keyboard_arrow_down

Document is officially identified as the 1st edition published in February 1996 under the publication number LIT-18616-01-47.

What content is included for the power unit and jet pump systems in this service manual? keyboard_arrow_down

Manual contains dedicated sections for both the power unit and jet pump assembly, providing technical data and detailed exploded view illustrations. These sections list operational baseline specifications such as impeller clearance ranges and internal component orientation guides.

Which chapters contain the tightening torque tables and component specification data for the vessel? keyboard_arrow_down

Chapter 2 contains comprehensive specification tables that list torque ranges, threaded fastener data, engine clearances, and electrical reference values.

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