1965-1978 Evinrude Outboard Motors 1.5-35 HP Service Manual

Evinrude professional-grade outboard motor service and repair guide for 1.5 to 35 HP engines from 1965-1978. Covers essential maintenance and troubleshooting procedures. Part No. 388150.

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Evinrude Models Covered & Key Technical Specifications

Enhanced Training Electrical Manual: Evinrude Outboard Motors 1.5–35 HP, covers 1965-1978 Assembly-Guide Evinrude 1.5–35 HP (1965-1978) (388150) | 1965-1978 Outboard Motor Repository

  • Engineered Specifications Data: 25 hp @ 5,000 rpm establishes the nominal operational output.
  • Principal Operating Range: For efficient performance, 4,500-5,500 rpm defines the recommended throttle band.
  • Advanced Bore and Stroke: The engine requires 3.000 in. bore x 2.250 in. for robust mechanical function.
  • Primary Cylinder Configuration: The engine is a 2-cylinder, 2-cycle design for optimal power delivery.
  • Standard Carburetion Settings: Single barrel, float feed, high- and low-speed adjustments are standard for efficient fuel mixture.
  • Engineered Ignition System: Magneto breakerless CD ignites the fuel mixture to initiate combustion.
Technical Specifications
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Document Number / Seller:
30112 / Christopher Williams
File Size:
50.98 MB
File Type:
PDF
Language:
English
Pages:
202
Printable:
Yes
Category:
Outboard Motor
Last updated / verified
Feb 4, 2025

Evinrude Manual Features & Content Preview

Enhanced Training Electrical Manual: Evinrude Outboard Motors 1.5–35 HP, covers 1965-1978 Assembly-Guide

Model-Portfolio: Evinrude 1.5–35 HP (1965-1978) (388150) // Calibration-Scope: Outboard Motor / Engine Logic // Model-Portfolio: Service Manual

OEM specifications cover a wide range of Evinrude outboard motors from 1.5 to 35 HP, manufactured between 1965 and 1978. This manual provides essential information for maintenance, repair, and troubleshooting.

TECHNICAL SPECIFICATIONS

Assessment-Element Parameters Architecture
Engine Type 2-cylinder, 2-cycle Standard
Horsepower 1.5 hp to 35 hp Performance
Model Years 1965-1978 Coverage
Fuel Mixture 50:1 Oil Ratio Lubrication

This manual documents various systems including the fuel system, ignition system, electrical system, and lower unit. It details procedures for disassembly, assembly, and repair, ensuring that mechanics can perform necessary maintenance. Information on troubleshooting common issues is also provided.

Wear limits are specified for internal engine components to ensure longevity and optimal performance.

System operation descriptions cover the fuel delivery, ignition timing, and electrical charging systems.

The documentation addresses troubleshooting common problems such as starting issues, loss of power, and overheating.

Assembly instructions are detailed for the power head, lower unit, and starter components.

Hydraulic schematics are included for the gearcase and associated systems.

This manual documents torque specifications for various fasteners to ensure gasket seal integrity.

Manual FAQ, Purchase & Download Details

Are the power head and lower unit chapters detailed enough to cover assembly sequences and part identification for the listed outboard motors? keyboard_arrow_down

Yes, these chapters contain information regarding components of the power head and lower unit. They also include exploded views that illustrate the sequence of parts and assembly.

Does the document provide electrical system information for the included outboard motor models? keyboard_arrow_down

Manual contains a dedicated chapter for electrical systems and references technical specifications for ignition components and starters.

Can I find tightening specifications and clearance references for internal engine parts in this manual? keyboard_arrow_down

Document includes tables that list tightening torque values and operational clearances for various assemblies. These tables are organized by engine model and horsepower to serve as a reference.

Is there a supplement in the manual that covers later motor models from the 1976 to 1978 production years? keyboard_arrow_down

Publication includes a specific supplement section that contains service information for late-model engines introduced between 1976 and 1978.

What information regarding parts and exploded views does this service manual contain? keyboard_arrow_down

Handbook features exploded views that illustrate the arrangement of parts across various sub-assemblies. These diagrams are included to show the correct order of components for the systems listed. This visual information acts as a reference for identifying parts throughout the manual.

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