This workshop service repair manual covers Evinrude Johnson 2-40 HP outboard motors manufactured between 1973 and 1990. These engines are known for their robust engineering and reliable performance, making them a trusted choice for various marine applications. This manual provides comprehensive information to ensure the longevity and optimal functioning of your Evinrude Johnson outboard. The purpose of this manual is to serve as a complete guide for the maintenance, repair, and troubleshooting of the specified Evinrude Johnson outboard models. It includes detailed procedures for service, restoration, and diagnosis, alongside preventative maintenance guidance, tune-up information, and specific instructions for fuel, electrical, lubrication, powerhead, and gearcase systems. With clear, step-by-step illustrations, zoomable diagrams, exploded views, and wiring schematics, this manual equips owners, mechanics, and technicians with the necessary knowledge to effectively maintain and repair these engines.