Clymer CB719 Mercury Outboard Repair Manual 3.9-135 HP 1964-1971

The Clymer CB719 repair manual is a comprehensive DIY service guide for Mercury outboard motors from 1964 to 1971, covering models ranging from 3.9 to 135 horsepower with 1-cylinder through 6-cylinder configurations. This professional-grade manual provides step-by-step instructions for maintaining, troubleshooting, and repairing vintage Mercury outboards.

Key Features:

• Complete coverage of Mercury 3.9-135 HP outboard motors (1964-1971 model years)
• Detailed maintenance schedules and tune-up procedures
• Comprehensive troubleshooting guides with diagnostic charts
• Engine synchronization and linkage adjustment procedures
• Fuel system service and repair instructions
• Ignition and electrical system diagnostics
• Power head overhaul and lower unit service procedures
• Automatic rewind starter repair instructions
• Merc Thruster electric outboard coverage
• Complete wiring diagrams for electrical troubleshooting

This manual includes detailed photographs, illustrations, and exploded-view diagrams to guide both experienced mechanics and DIY enthusiasts through every repair procedure. The tools and techniques section helps ensure you have the right equipment and knowledge before starting any job. Essential for anyone maintaining or restoring classic Mercury outboard motors.