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General| Brand | Yamaha |
|---|---|
| Model | E40G |
| Category | Outboard Motor |
| Language | English |
Explains manual format, diagrams, component lists, and symbols for effective service.
Provides essential safety procedures for preventing accidents and ensuring quality service during operations.
Details how to identify applicable models and locate the outboard motor's serial number.
Discusses the critical impact of propeller choice on boat and engine performance and economy.
Outlines necessary checks for a smooth and efficient delivery process for the outboard motor.
Provides detailed specifications including dimensions, weight, and performance data for various models.
Lists maintenance specifications for the power unit, including compression, bore, stroke, and piston details.
Specifies tightening torques for parts in the fuel system, power unit, lower unit, and bracket.
Lists and illustrates special tools required for performing periodic checks and adjustments.
Provides a guideline for general maintenance intervals based on operating hours and time.
Explains checks for fuel joints, hoses, and the fuel filter for leaks or blockages.
Covers checks for spark plugs, thermostat, and cooling water passages for proper function.
Details adjustments for start-in-gear protection, throttle link, and throttle cables.
Outlines checks for gear oil level, changing gear oil, and checking for air leaks in the lower unit.
Lists specialized tools required for fuel system service and maintenance.
Illustrates the correct routing of fuel hoses and pilot water hose for proper engine function.
Details carburetor assembly, disassembly, checking, and adjustment procedures.
Covers checking, disassembling, and assembling the fuel pump for proper operation.
Lists specialized tools required for power unit maintenance and repair.
Details procedures for checking compression pressure in the power unit.
Explains the removal and checking procedures for the reed valve assembly.
Covers disassembly, checking, and installation of the cylinder head components.
Provides procedures for removing, disassembling, and checking crankcase and related parts.
Lists specialized tools required for lower unit service and maintenance.
Details the removal and installation procedures for the E40G lower unit.
Covers removal, disassembly, and assembly of the propeller shaft housing components.
Provides procedures for removing, disassembling, and assembling the drive shaft and lower case.
Explains the shimming process for pinion and gear selection to ensure proper backlash.
Details how to measure and adjust forward and reverse gear backlash using shims.
Lists specialized tools required for bracket unit service and maintenance.
Covers assembly procedures for the tiller handle, including throttle cables and shaft.
Provides an exploded view and part list for the bottom cowling components.
Details disassembly and assembly of the upper case and pivot shaft components.
Covers removal, disassembly, and assembly of clamp brackets and swivel bracket components.
Lists specialized tools required for electrical system diagnostics and testing.
Explains how to measure peak voltage and low resistance of electrical components.
Provides top, port, and starboard views of electrical component locations.
Presents wiring diagrams for MH, WH, and W models, illustrating component connections.
Details checks for spark gap, ignition coil, spark plug caps, CDI unit, pulser coils, and charge coil.
Covers checks for the fuse, starter relay, engine start switch, neutral switch, and choke solenoid.
Explains removal, checking, and operation of the starter motor components.
Details checks for the rectifier and lighting coil output peak voltage.
Provides troubleshooting steps for power unit issues like engine not starting.
Guides through diagnosing ignition system faults, starting with continuity checks.
Offers troubleshooting steps for fuel system issues, focusing on water, fuel lines, and carburetor.
Guides on diagnosing low or unbalanced compression pressure issues.
Provides troubleshooting steps for issues with the forward and reverse gear shift mechanism.
Troubleshoots starter motor not operating and battery power loss issues.
Guides through diagnosing starting system faults related to fuse, battery, and switches.
Provides troubleshooting steps for charging system issues related to rectifier and lighting coil.
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