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Yamaha GX1800 - User Manual

Yamaha GX1800
32 pages
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SERVICE GUIDE
90894-64631-02
WaveRunner
FZR
GX1800 (F3L)
FZS
GX1800A (F3K)
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Summary

Technical Tips - Engine Control

Engine Control System Operation

How the ECM controls ignition, fuel injection via sensors and switches.

Key Sensor Functions

Descriptions of various sensors like Cam Position, Knock, TPS, APS, Steering, etc.

ECM Circuit Diagram

Schematic diagram of the Engine Control Module circuits.

ECM Coupler Layout

Diagram showing the pin assignments and colors for ECM connectors.

Engine Control System Logic

System response to warning conditions, sensor failures, and operating modes.

Advanced Control Strategies

Control logic for intake pressure, knock, over-rev, and throttle management.

Component Specifics and Systems

Power Unit Major Changes

Details on enhancements to the supercharger, air cooler, oil cooler, piston, injector, and spark plug.

Jet Pump and Cooling System Updates

Information on jet pump impeller, duct, nozzle, and cooling system optimizations.

Service Information

Specifications

Wiring Diagram

FZR;FZS Electrical System Wiring

Comprehensive wiring diagrams for main systems, components, and power distribution.

Yamaha GX1800 Specifications

General IconGeneral
BrandYamaha
ModelGX1800
CategoryBoat
LanguageEnglish

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