This service manual covers Johnson Evinrude Outboard motors ranging from 1.5 to 35 horsepower, produced between 1965 and 1978. It encompasses a wide array of models, including specific horsepower variants and two-stroke engines. These outboards are known for their robust construction and reliable performance, making them a popular choice for various marine applications. This manual provides detailed information to ensure these engines continue to operate at their peak efficiency. The purpose of this manual is to provide comprehensive repair and service information for Johnson Evinrude Outboard models. It includes step-by-step illustrated procedures, adjustments, maintenance schedules, troubleshooting guides, and technical specifications. Coverage extends to all essential systems such as the fuel system, electrical system, lower unit, and engine overhaul. This resource is designed to assist both do-it-yourself owners and professional mechanics in maintaining, repairing, and understanding their outboard motors.