109 Workshop Manual – Evinrude/Johnson 33HP & 40HP (1965–1974)

The Evinrude/Johnson Workshop Manual (Series No.109) is your complete guide for maintaining and repairing 33HP and 40HP Ski-Twin, Norseman, and Sea Horse outboards produced from 1965 to 1974. Published by Scientific Publications, this manual delivers the factory-level detail you need to keep your vintage outboard performing at its best.

Inside, you’ll find precise instructions for disassembly, inspection, and reassembly of the powerhead, ignition system, fuel delivery, and cooling systems. Clear exploded diagrams make it easy to identify parts and follow procedures. Step-by-step sections cover carburetor servicing, water pump replacement, gear housing repairs, and powerhead removal.

Troubleshooting charts guide you through diagnosing poor performance, hard starting, or overheating. Each repair method follows factory specifications so you can achieve reliable results. The manual’s logical format keeps each task clear and organized, reducing the chance of mistakes during complex repairs.

Whether you’re a professional marine mechanic or a boat owner restoring a classic motor, this Evinrude/Johnson Workshop Manual is a trusted tool. It’s printed for durability, resisting wear from oil, grease, and repeated handling in the workshop.

Arizona Outboard Dismantlers provides genuine manuals like this to help you extend engine life, protect your investment, and enjoy dependable boating year after year.