Evinrude Johnson 1.5 HP Outboard 1973–1978 Service Repair Manual – PDF Download

🛠️ Evinrude Johnson 1.5 HP Outboard 1973–1978 Service Repair Manual – PDF Download

🧰 This downloadable PDF manual includes complete factory service procedures for the Evinrude and Johnson 1.5 HP 2-stroke outboard motors manufactured between 1973 and 1978. From recoil starter repair to carburetor adjustments and ignition timing, this guide is trusted by boat owners and technicians alike for detailed maintenance and troubleshooting instructions.

📲 Instant PDF download – fully searchable and printable for any device.

🔍 Model Background

The Evinrude Johnson 1.5 HP Outboard (1973–1978) was one of the smallest production outboards ever offered by OMC, designed for ultra-light, short-range marine applications. It was especially suitable for inflatables, canoes, small tenders, and as a backup or emergency engine aboard larger vessels.

Key features included:

• Single-cylinder, 2-stroke engine with a displacement of approximately 28–32cc
• Air-cooled design – eliminated the need for water pump maintenance
• Direct drive system – propeller turns with the engine (no clutch or gears)
• Manual recoil starter – simple pull-to-start system
• Twist-grip throttle integrated on the tiller handle
• Integral top-mounted fuel tank – holds approximately 0.25–0.5 quarts
• Extremely lightweight: approx. 22–26 lbs dry

Highlights:

• Exceptionally portable – can be carried with one hand
• Simple construction allows for easy maintenance and repairs
• Ideal for short-distance propulsion and slow-speed maneuvering
• Highly fuel-efficient and reliable in calm conditions

Today, the 1.5 HP model is sought after by collectors and minimalist boating enthusiasts. It represents a unique era of compact engineering and remains a favorite for ultra-light boating applications or historical restoration projects.

📄 Manual Details for Evinrude Johnson 1.5 HP (1973–1978):

• Engine Type: 2-stroke, single-cylinder
• Fuel System: Carbureted with gravity feed
• Cooling System: Direct water-cooled with internal passages
• Ignition System: Magneto ignition system
• Starting System: Manual recoil start
• Trim & Tilt: Manual tilt only
• Years Covered: 1973–1978
• File Format: PDF (searchable and printable)
• Page Count: 200+ pages

📆 Model Years Covered:

• Evinrude Johnson 1.5 HP Outboard 1973
• Evinrude Johnson 1.5 HP Outboard 1974
• Evinrude Johnson 1.5 HP Outboard 1975
• Evinrude Johnson 1.5 HP Outboard 1976
• Evinrude Johnson 1.5 HP Outboard 1977
• Evinrude Johnson 1.5 HP Outboard 1978

📖 Manual Sections Include:

• Routine Maintenance
• Lubrication, fuel mix, spark plug settings
• Fuel & Carburetor
• Float adjustments, jet specs, cleaning procedures
• Ignition System
• Flywheel magneto, points adjustment, spark gap
• Cooling System
• Water passage cleaning, flow inspection
• Powerhead Disassembly
• Piston rings, crankshaft, gaskets, torque values
• Manual Start System
• Recoil spring, pawl service, rope replacement
• Wiring Diagrams
• Basic ignition and kill switch schematics

💾 Format & Compatibility:

• File Type: PDF (Digital Download)
• Searchable & Printable: ✅ Yes
• Compatible with: Windows, macOS, iOS, Android, Linux

🔍 Keywords:

Johnson 1.5 HP outboard manual, Evinrude 1.5 HP repair PDF, 2-stroke single-cylinder outboard, recoil starter service, carb tuning, magneto ignition diagram

❓ Mini FAQ:

Q: Is this manual suitable for first-time owners?
A: Yes – it provides beginner-friendly service instructions for 1.5 HP engines.

Q: Can I use this manual to repair the recoil starter?
A: Absolutely – it includes full steps for disassembly and repair of the manual start system.

Q: Does this include parts diagrams or wiring?
A: Yes – includes exploded views and ignition wiring schematics.

🧭 Helpful Resources for Johnson & Evinrude Outboard Owners

• Why Every Evinrude & Johnson Outboard Owner Should Own a Service Manual – Find out how a downloadable repair manual can simplify maintenance and help you troubleshoot common problems on your own.
• Outboard Engine Troubleshooter – Not sure what’s wrong with your Johnson or Evinrude engine? Our free tool lists common issues and DIY fixes across all major brands.

🔧 Browse More Johnson & Evinrude Manuals

Note: While our manuals are designed for DIY use, they do not replace professional mechanical training. If you're unsure about a repair or your engine shows serious issues, we strongly recommend visiting a certified marine mechanic. These guides are best suited for owners with basic to moderate mechanical experience.