Clymer Mercury 3.9-135 HP Outboard Motor Repair Manual (Part #CB719)

This Clymer DIY repair manual covers 1964-1971 Mercury 3.9-135 HP, 1-cylinder to 6-cylinder outboard motors.

TABLE of CONTENTS:

General information

Tools and techniques

Troubleshooting

Lubrication, maintenance and tune-up

Engine synchronization and linkage adjustments

Fuel system

Ignition and electrical systems

Power head

Lower unit

Automatic rewind starters

Merc Thruster electric outboards

Wiring diagrams

The Clymer Mercury 3.9-135 HP outboard motor repair manual (Part #CB719) is an essential resource for boat owners and technicians working on Mercury outboard engines from 1964 to 1971. This comprehensive manual provides detailed instructions to facilitate maintenance, troubleshooting, and repair of your Mercury 3.9 to 135 horsepower outboard motors. It is designed to help users accurately diagnose issues and perform repairs efficiently, saving time and reducing the need for professional service. The manual covers a wide range of topics including engine disassembly, reassembly, electrical systems, fuel systems, and troubleshooting guides to ensure your engine runs smoothly and reliably. Its clear illustrations and step-by-step procedures make complex tasks approachable for both experienced mechanics and dedicated boat owners. This manual is a valuable addition to your marine repair library, providing the technical support necessary to keep your Mercury outboard motor in optimal condition for seasons to come.

Features:

• Comprehensive repair procedures for Mercury 3.9-135 HP outboard motors from 1964 to 1971

• Detailed illustrations and step-by-step instructions for troubleshooting and repairs

• Guides for electrical, fuel, and mechanical systems to ensure reliable engine performance