This workshop service shop repair manual covers Evinrude Johnson outboard motors manufactured between 1973 and 1990. It encompasses a wide range of models with horsepower ratings from 48 hp to 235 hp, including 2- and 3-cylinder inline, V4, and V6 engine types. These robust outboards are known for their reliable performance and are designed for various marine applications. This manual provides comprehensive information to ensure these engines operate at peak efficiency. The purpose of this manual is to provide detailed guidance for the maintenance, repair, and troubleshooting of your Evinrude Johnson outboard. It covers essential procedures such as lubrication, tune-ups, and storage, along with in-depth troubleshooting for starting, charging, ignition, and fuel systems. Technical specifications, including torque values, and detailed explanations of electrical systems, power trim and tilt, oil injection, and gearcase components are also included. With its extensive illustrations, diagrams, and photos, this manual serves as an indispensable resource for owners and technicians alike.