
Street$42.47

CLYMER
In stock · stock as of Sep 3, 2026
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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