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Yamaha GP1200 - User Manual

Yamaha GP1200
181 pages
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Table of Contents

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Summary

Preface

How to Use This Manual

Model Indication

Explains how different models are indicated in the manual.

The Illustrations

Explains that illustrations may differ between models.

References

Explains how references are used for page navigation.

How to Read Manual Descriptions

Warnings, Cautions, and Notes

Symbols Guide

Symbols 1-9

Explains symbols related to chapter topics and general information.

Symbols 10-15

Explains symbols indicating specific data points like torque and resistance.

Symbols 16-18

Explains symbols related to lubricant types and application points.

Symbols 19-24

Explains symbols for specific adhesives, sealants, and torque values.

Chapter 1: General Information

Identification Numbers

Details for identifying the specific watercraft model and serial numbers.

Safety While Working

Essential safety precautions and practices for working on the watercraft.

Special Tools

Lists specialized tools required for maintenance and repair.

Removal and Installation Procedures

Procedures and charts for removing and installing components.

Chapter 2: Specifications

General Specifications

Provides overall technical specifications for the watercraft models.

Maintenance Specifications

Details specific measurements and tolerances for maintenance.

Tightening Torque

Specifies torque values for securing various components during assembly.

Chapter 3: Periodic Inspection and Adjustment

Maintenance Interval Chart

Outlines recommended maintenance intervals based on operating hours or time.

Control System Service

Procedures for inspecting and adjusting control system components like steering and cables.

Fuel System Service

Maintenance tasks for the fuel system, including filter and speed adjustments.

Oil Injection System Service

Procedures for inspecting and adjusting the oil injection system and carburetor.

Power Unit Service

Inspection and maintenance procedures for the power unit, focusing on spark plugs.

Electrical System Service

Inspection and maintenance of electrical components, particularly the battery.

Jet Pump Unit Service

Maintenance procedures for the jet pump, including impeller and strainer.

General Service Points

General maintenance checks and greasing points for various systems.

Chapter 4: Fuel System

Fuel Line

Exploded views and procedures for the fuel line system.

Oil Tank

Exploded views and service points for the oil tank.

Fuel Tank Removal

Procedures for removing the fuel tank assembly.

Carburetor Unit Removal

Steps for removing the carburetor unit from the engine.

Carburetor Removal

Detailed procedures for removing individual carburetor components.

Fuel Pump

Exploded views and service points for the fuel pump assembly.

Oil Line

Exploded views and procedures for the oil line.

Oil Pump

Exploded views and service points for the oil pump.

Chapter 5: Power Unit

Engine Unit Removal

Procedures for removing the complete engine unit.

Reed Valve

Exploded views and service points for the reed valve assembly.

Exhaust Ring

Exploded views and procedures for the exhaust ring.

Exhaust Chamber Removal

Procedures for removing the exhaust chamber.

Exhaust Chamber

Exploded views and procedures for the exhaust chamber.

Muffler

Exploded views and procedures for the muffler assembly.

Cylinder Head

Exploded views and service points for the cylinder head.

Cylinder

Exploded views and service points for the cylinder.

Piston

Exploded views and service points for the piston and rings.

Flywheel Magneto and Base

Exploded views and procedures for the flywheel magneto and base.

Electrical Unit

Exploded views and procedures for the electrical unit.

Starter Motor

Exploded views and service points for the starter motor.

Crankcase

Exploded views and service points for the crankcase.

Crankshaft

Exploded views and service points for the crankshaft.

Intermediate Housing Removal

Procedures for removing the intermediate housing.

Intermediate Housing

Exploded views and service points for the intermediate housing.

Chapter 6: Jet Pump Unit

Jet Pump Unit Removal

Procedures for removing the entire jet pump unit.

Deflector and Trim Ring

Exploded views and procedures for the deflector and trim ring.

Nozzle, Duct and Intake

Exploded views and procedures for the nozzle, duct, and intake assembly.

Impeller and Drive Shaft

Exploded views and service points for the impeller and drive shaft.

Intake Duct

Exploded views and service points for the intake duct.

Cooling and Bilge System

Exploded views and service points for cooling and bilge systems.

Chapter 7: Electrical System

Electrical Components

Exploded diagrams showing electrical component locations for GP760 and GP1200.

Electrical Unit

Exploded diagrams and procedures for the electrical unit.

Electrical Analysis

Procedures for electrical system inspection and measurements.

Ignition System

Wiring diagrams, spark gap, and coil information for the ignition system.

Starting System

Wiring diagram, battery, starter motor, fuse, and relay information.

Charging System

Wiring diagram, fuse, battery, lighting coil, and rectifier regulator information.

Indication System

Wiring diagrams and procedures for sensors, meters, and security functions.

Chapter 8: Hull and Hood

Handle Removal

Procedures for removing and installing handlebar components.

Handle

Exploded views and service points for the handle assembly.

Trim Grip and Control Cable

Exploded views and service points for trim grip and control cables.

Engine Hood Cover

Exploded views and procedures for the engine hood cover.

Handle Column

Exploded views and service points for the handle column.

Adjustable Mirror and Engine Hood Removal

Procedures for removing adjustable mirrors and the engine hood.

Engine Hood

Exploded views and procedures for the engine hood.

Steering Cable

Exploded views and service points for the steering cable.

Throttle Cable and Choke Cable

Exploded views and procedures for throttle and choke cables.

Trim Cable

Exploded views and service points for the trim cable.

Seat, Storage Box and Battery Case

Exploded views and inspection points for seat, storage, and battery areas.

Exhaust System

Exploded views and service points for the exhaust system.

Deck

Exploded views and service points for the deck area.

Gunwale

Exploded views and procedures for the gunwale.

Mat

Exploded views and installation procedures for mats.

Hull Repair

Procedures for repairing hull damage, including scratching and punctures.

Chapter 9: Trouble Analysis

Trouble Analysis Chart

A comprehensive chart to diagnose common problems and check elements.

Summary

Preface

How to Use This Manual

Model Indication

Explains how different models are indicated in the manual.

The Illustrations

Explains that illustrations may differ between models.

References

Explains how references are used for page navigation.

How to Read Manual Descriptions

Warnings, Cautions, and Notes

Symbols Guide

Symbols 1-9

Explains symbols related to chapter topics and general information.

Symbols 10-15

Explains symbols indicating specific data points like torque and resistance.

Symbols 16-18

Explains symbols related to lubricant types and application points.

Symbols 19-24

Explains symbols for specific adhesives, sealants, and torque values.

Chapter 1: General Information

Identification Numbers

Details for identifying the specific watercraft model and serial numbers.

Safety While Working

Essential safety precautions and practices for working on the watercraft.

Special Tools

Lists specialized tools required for maintenance and repair.

Removal and Installation Procedures

Procedures and charts for removing and installing components.

Chapter 2: Specifications

General Specifications

Provides overall technical specifications for the watercraft models.

Maintenance Specifications

Details specific measurements and tolerances for maintenance.

Tightening Torque

Specifies torque values for securing various components during assembly.

Chapter 3: Periodic Inspection and Adjustment

Maintenance Interval Chart

Outlines recommended maintenance intervals based on operating hours or time.

Control System Service

Procedures for inspecting and adjusting control system components like steering and cables.

Fuel System Service

Maintenance tasks for the fuel system, including filter and speed adjustments.

Oil Injection System Service

Procedures for inspecting and adjusting the oil injection system and carburetor.

Power Unit Service

Inspection and maintenance procedures for the power unit, focusing on spark plugs.

Electrical System Service

Inspection and maintenance of electrical components, particularly the battery.

Jet Pump Unit Service

Maintenance procedures for the jet pump, including impeller and strainer.

General Service Points

General maintenance checks and greasing points for various systems.

Chapter 4: Fuel System

Fuel Line

Exploded views and procedures for the fuel line system.

Oil Tank

Exploded views and service points for the oil tank.

Fuel Tank Removal

Procedures for removing the fuel tank assembly.

Carburetor Unit Removal

Steps for removing the carburetor unit from the engine.

Carburetor Removal

Detailed procedures for removing individual carburetor components.

Fuel Pump

Exploded views and service points for the fuel pump assembly.

Oil Line

Exploded views and procedures for the oil line.

Oil Pump

Exploded views and service points for the oil pump.

Chapter 5: Power Unit

Engine Unit Removal

Procedures for removing the complete engine unit.

Reed Valve

Exploded views and service points for the reed valve assembly.

Exhaust Ring

Exploded views and procedures for the exhaust ring.

Exhaust Chamber Removal

Procedures for removing the exhaust chamber.

Exhaust Chamber

Exploded views and procedures for the exhaust chamber.

Muffler

Exploded views and procedures for the muffler assembly.

Cylinder Head

Exploded views and service points for the cylinder head.

Cylinder

Exploded views and service points for the cylinder.

Piston

Exploded views and service points for the piston and rings.

Flywheel Magneto and Base

Exploded views and procedures for the flywheel magneto and base.

Electrical Unit

Exploded views and procedures for the electrical unit.

Starter Motor

Exploded views and service points for the starter motor.

Crankcase

Exploded views and service points for the crankcase.

Crankshaft

Exploded views and service points for the crankshaft.

Intermediate Housing Removal

Procedures for removing the intermediate housing.

Intermediate Housing

Exploded views and service points for the intermediate housing.

Chapter 6: Jet Pump Unit

Jet Pump Unit Removal

Procedures for removing the entire jet pump unit.

Deflector and Trim Ring

Exploded views and procedures for the deflector and trim ring.

Nozzle, Duct and Intake

Exploded views and procedures for the nozzle, duct, and intake assembly.

Impeller and Drive Shaft

Exploded views and service points for the impeller and drive shaft.

Intake Duct

Exploded views and service points for the intake duct.

Cooling and Bilge System

Exploded views and service points for cooling and bilge systems.

Chapter 7: Electrical System

Electrical Components

Exploded diagrams showing electrical component locations for GP760 and GP1200.

Electrical Unit

Exploded diagrams and procedures for the electrical unit.

Electrical Analysis

Procedures for electrical system inspection and measurements.

Ignition System

Wiring diagrams, spark gap, and coil information for the ignition system.

Starting System

Wiring diagram, battery, starter motor, fuse, and relay information.

Charging System

Wiring diagram, fuse, battery, lighting coil, and rectifier regulator information.

Indication System

Wiring diagrams and procedures for sensors, meters, and security functions.

Chapter 8: Hull and Hood

Handle Removal

Procedures for removing and installing handlebar components.

Handle

Exploded views and service points for the handle assembly.

Trim Grip and Control Cable

Exploded views and service points for trim grip and control cables.

Engine Hood Cover

Exploded views and procedures for the engine hood cover.

Handle Column

Exploded views and service points for the handle column.

Adjustable Mirror and Engine Hood Removal

Procedures for removing adjustable mirrors and the engine hood.

Engine Hood

Exploded views and procedures for the engine hood.

Steering Cable

Exploded views and service points for the steering cable.

Throttle Cable and Choke Cable

Exploded views and procedures for throttle and choke cables.

Trim Cable

Exploded views and service points for the trim cable.

Seat, Storage Box and Battery Case

Exploded views and inspection points for seat, storage, and battery areas.

Exhaust System

Exploded views and service points for the exhaust system.

Deck

Exploded views and service points for the deck area.

Gunwale

Exploded views and procedures for the gunwale.

Mat

Exploded views and installation procedures for mats.

Hull Repair

Procedures for repairing hull damage, including scratching and punctures.

Chapter 9: Trouble Analysis

Trouble Analysis Chart

A comprehensive chart to diagnose common problems and check elements.

Yamaha GP1200 Specifications

General IconGeneral
ManufacturerYamaha
ModelGP1200
CategoryBoat
TypePersonal Watercraft
Fuel SystemCarbureted
Seating Capacity2
Starting SystemElectric
Passenger Capacity2
Engine Type2-stroke
Cooling SystemWater

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