This comprehensive service and repair manual provides in-depth information for a wide range of Johnson and Evinrude outboard motors, spanning the years 1956 through 1970. Covering models from 1.5 horsepower to 40 horsepower, this manual is a valuable resource for both experienced mechanics and DIY enthusiasts seeking to maintain and repair these classic outboards. The manual covers a wide range of essential topics, including safety procedures, engine tuning, powerhead operation, fuel systems, ignition systems, electrical components, accessories, lower unit maintenance, hand starter operation, general maintenance routines, and a detailed appendix with additional information. This manual is designed to guide users through a variety of tasks from basic maintenance to complex repairs, offering detailed illustrations, step-by-step instructions, and troubleshooting tips. Whether you need to perform routine maintenance, diagnose engine problems, or undertake major repairs, this service manual will become your indispensable guide.

## The Johnson Evinrude Outboard: A Legacy of Marine Power (1956-1970) For over a century, Johnson and Evinrude have been synonymous with reliable and powerful outboard motors, a legacy built upon innovation and a commitment to providing a smooth and enjoyable boating experience. This particular manual covers a pivotal era in the company's history, spanning from 1956 to 1970, showcasing a diverse range of models from the compact 1.5 horsepower workhorses to the robust 40 horsepower engines designed for larger boats. This period saw groundbreaking advancements in outboard technology, including the introduction of the revolutionary "direct drive" system in the late 1950s, which eliminated the need for a separate gearbox, resulting in a more efficient and compact design. Other advancements included the development of the "electric shift" system, offering greater control and convenience, and the introduction of the "twin-cylinder" engine, delivering increased horsepower and torque while maintaining a smooth and quiet operation. This comprehensive service and repair manual acts as a vital resource for the DIY enthusiast seeking to maintain or restore these iconic engines. Packed with detailed diagrams, step-by-step instructions, and troubleshooting guides, the manual offers a thorough understanding of each component and its function, empowering users to tackle various repair tasks with confidence. From basic maintenance like spark plug replacement and carburetor cleaning to more complex tasks like engine rebuilds and electrical system troubleshooting, the manual provides clear and concise instructions, ensuring a successful repair experience. With its commitment to accuracy and user-friendliness, this manual stands as a testament to the enduring legacy of Johnson Evinrude outboards, enabling owners to keep these classic engines running smoothly for years to come.