This service repair manual covers Johnson Evinrude Outboard motors manufactured between 1956 and 1970, encompassing vintage outboard motors. These 2-stroke engines, featuring 1 and 2 cylinder configurations, offered power outputs ranging from 1.5 to 40 HP, with specific models including 1.5, 3.0, 4.0, 5.0, 5.5, 6.0, 7.5, 9.5, 10, 15, 18, 20, 25, 28, 30, 33, 35, and 40 HP variants. The manual details the outboard gearcase lower unit with its typical forward, neutral, and reverse gears. These engines are known for their robust construction and reliability, making them a staple for various marine applications during their production years. This comprehensive English-language manual provides detailed instructions for step-by-step repair, service, restoration, maintenance, rebuilding, and troubleshooting of these vintage outboard motors. It includes coverage of essential systems such as ignition, fuel, electrical, and the hand starter system, as well as powerhead service. With clear, illustrated, and zoomable exploded views, this manual is an indispensable resource for owners, mechanics, and technicians seeking to maintain, diagnose, and repair their Johnson Evinrude outboard engines, ensuring continued optimal performance and longevity.