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Yamaha GP760 User Manual

Yamaha GP760
181 pages
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Table of Contents

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Yamaha GP760 Specifications

General IconGeneral
BrandYamaha
ModelGP760
CategoryBoat
LanguageEnglish

Summary

PREFACE

Introduction to the Service Manual

Introduction to the service manual, outlining its purpose and scope.

HOW TO USE THIS MANUAL

Manual Format

Details the sequential, step-by-step structure and information presentation within the manual.

Model Indication

Explains how different models are identified and referenced throughout the manual.

The Illustrations

Discusses the role of illustrations and how variations between models are depicted.

References

Information on how cross-references to other sections are provided.

HOW TO READ DESCRIPTIONS

Exploded Diagrams and Charts

Guide to interpreting exploded diagrams, numbering systems, symbols, and charts for procedures.

Service Points

Details the purpose and content of the 'Service Points' sections for in-depth information.

WARNINGS, CAUTIONS AND NOTES

Safety Symbols and Messages

Defines the meaning and importance of Safety Alert Symbols, Warnings, Cautions, and Notes.

SYMBOLS

Chapter/Section Indicator Symbols

Lists symbols used to identify chapters, sections, and major topics within the manual.

Data Indicator Symbols

Explains symbols representing specific data types like measurements, torque, and resistance.

Lubrication and Application Symbols

Details symbols indicating lubricant types and specific application methods or locations.

CHAPTER 1 GENERAL INFORMATION

Identification Numbers

Details about primary I.D., engine serial, pump serial, and hull identification numbers.

Safety While Working

Guidelines and precautions for working safely with the equipment and its components.

Special Tools

Lists and describes specialized tools required for maintenance and repair procedures.

Removal and Installation Chart

Explains charts detailing the steps, quantity, and service points for part removal and installation.

CHAPTER 2 SPECIFICATIONS

General Specifications

Details specifications for models GP760 and GP1200, including dimensions and performance metrics.

Maintenance Specifications Engine

Lists critical engine maintenance specifications, including bore, piston, and cylinder dimensions.

Maintenance Specifications Jet Unit

Details specifications for the jet unit, including impeller and nozzle dimensions and clearances.

Tightening Torque

Specifies torque values for various engine and jet unit components for correct assembly.

CHAPTER 3 PERIODIC INSPECTION AND ADJUSTMENT

Maintenance Interval Chart

Outlines recommended maintenance intervals based on operating hours or calendar time.

Control System

Details inspection and adjustment procedures for steering, throttle, and choke control systems.

Fuel System

Covers inspection and adjustment procedures for fuel filters, carburetors, and trolling speed.

Oil Injection System

Explains inspection and air bleeding procedures for the oil injection system components.

Power Unit

Details inspection and cleaning procedures for the spark plug and engine condition.

Electrical

Outlines inspection procedures for the battery system, including fluid level and specific gravity.

Jet Pump Unit

Explains inspection and cleaning procedures for the impeller and bilge strainer.

General

Covers inspection and greasing procedures for various general components like cables and bearings.

CHAPTER 4 FUEL SYSTEM

Fuel Line

Provides exploded diagrams and removal/installation charts for fuel line components.

Oil Tank

Details exploded diagrams and service points for inspection and maintenance of the oil tank.

Fuel Tank Removal

Explains the procedure and chart for safely removing and installing the fuel tank.

Fuel Tank

Provides exploded diagrams and service points for the fuel tank, including check valve inspection.

Carburetor Unit Removal

Details exploded diagrams and charts for the removal and installation of the carburetor unit.

Carburetor

Covers exploded diagrams, inspection, and adjustment procedures for the carburetor assembly.

Fuel Pump

Provides exploded diagrams and service points for inspection and maintenance of the fuel pump.

Oil Line

Details exploded diagrams and service points for inspection and maintenance of the oil line.

Oil Pump

Explains exploded diagrams and service points for the oil pump, hoses, and ring inspection.

CHAPTER 5 POWER UNIT

Engine Unit Removal

Explains exploded diagrams and charts for the removal and installation of the entire engine unit.

Reed Valve

Provides exploded diagrams and service points for inspection and replacement of the reed valve assembly.

Exhaust Ring

Details exploded diagrams and charts for the removal and installation of the exhaust ring.

Exhaust Chamber Removal

Explains exploded diagrams and charts for the removal and installation of the exhaust chamber.

Exhaust Chamber

Provides exploded diagrams and service points for the exhaust chamber components.

Muffler

Details exploded diagrams and charts for the removal and installation of the muffler.

Cylinder Head

Covers exploded diagrams and service points for cylinder head inspection, cleaning, and resurfacing.

Cylinder

Explains exploded diagrams and service points for cylinder inspection, including bore measurement.

Piston

Details exploded diagrams and service points for piston inspection, measurement, and replacement.

Flywheel Magneto and Base

Provides exploded diagrams and charts for the removal and installation of the flywheel magneto and base.

Starter Motor

Explains exploded diagrams and service points for the inspection and maintenance of the starter motor.

Crankcase

Covers exploded diagrams and service points for crankcase inspection and installation procedures.

Crankshaft

Details exploded diagrams and service points for crankshaft inspection, including width and deflection.

Intermediate Housing Removal

Explains exploded diagrams and charts for the removal and installation of the intermediate housing.

Intermediate Housing

Provides exploded diagrams and service points for the inspection of intermediate housing components.

CHAPTER 6 JET PUMP UNIT

Jet Pump Unit Removal

Explains exploded diagrams and charts for the removal and installation of the jet pump unit.

Deflector and Trim Ring

Details exploded diagrams and charts for the removal and installation of the deflector and trim ring.

Nozzle, Duct and Intake

Provides exploded diagrams and service points for the nozzle, duct, and intake assembly.

Impeller and Drive Shaft

Explains exploded diagrams and service points for the inspection and installation of the impeller and drive shaft.

Intake Duct

Details exploded diagrams and service points for the inspection and installation of the intake duct.

Cooling and Bilge System

Provides exploded diagrams and service points for the inspection of the cooling and bilge systems.

CHAPTER 7 ELECTRICAL SYSTEM

Electrical Components

Shows exploded diagrams and identification of electrical components for GP760 and GP1200 models.

Electrical Unit

Details exploded diagrams of the electrical unit, illustrating component layout for GP760 and GP1200.

Electrical Analysis

Explains procedures for electrical analysis, including low resistance measurement techniques.

Ignition System

Covers wiring diagrams, spark gap testing, and component resistance checks for the ignition system.

Starting System

Details wiring diagrams and inspection procedures for the battery, starter motor, and relays.

Charging System

Explains wiring diagrams and inspection procedures for the battery charging system components.

Indication System

Covers wiring diagrams and inspection procedures for sensors, meters, and warning indicators.

CHAPTER 8 HULL AND HOOD

Handle Removal

Explains exploded diagrams and charts for the removal and installation of the handlebar assembly.

Handle

Details exploded diagrams and service points for handlebar inspection and related controls.

Trim Grip and Control Cable

Provides exploded diagrams and service points for trim grip and control cable inspection.

Engine Hood Cover

Explains exploded diagrams and charts for the removal and installation of the engine hood cover.

Handle Column

Details exploded diagrams and service points for the inspection and installation of the handle column.

Adjustable Mirror and Engine Hood Removal

Explains exploded diagrams and charts for removing adjustable mirrors and the engine hood.

Engine Hood

Provides exploded diagrams and charts for the disassembly and reassembly of the engine hood.

Steering Cable

Details exploded diagrams and service points for steering cable inspection and adjustment.

Throttle Cable and Choke Cable

Explains exploded diagrams and charts for the removal and installation of throttle and choke cables.

Trim Cable

Provides exploded diagrams and service points for trim cable inspection and adjustment procedures.

Seat, Storage Box and Battery Case

Details exploded diagrams and service points for inspecting the seat, storage box, and battery case.

Exhaust System

Explains exploded diagrams and service points for inspecting the exhaust system components.

Deck

Provides exploded diagrams and service points for inspecting the deck and ventilation system.

Gunwale

Details exploded diagrams and charts for the removal and installation of the gunwale sections.

Mat

Explains exploded diagrams and service points for the installation of mats.

Hull

Covers exploded diagrams and procedures for hull repair, including scratching and damage.

CHAPTER 9 TROUBLE-ANALYSIS

Trouble Analysis

Provides a chart for diagnosing common troubles based on symptoms and check elements.

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