This service repair manual covers Johnson Evinrude 1.5HP-40HP outboard motors manufactured between 1956 and 1970, specifically from the Early to Mid-1960s Era. These 2-stroke outboard engines, available with one or two cylinders and in a power range from 1.5 HP to 40 HP, are known for their robust engineering and reliability. The manual encompasses a wide array of specific horsepower models, ensuring comprehensive coverage for this generation of Johnson Evinrude outboards. This English-language manual provides detailed information essential for the repair, service, restoration, and maintenance of your Johnson Evinrude outboard. It includes step-by-step instructions, component breakdowns with part numbers, and zoomable illustrations and exploded views to aid in understanding. Coverage extends to critical systems such as cooling, fuel, ignition, electrical, and lower unit maintenance, alongside troubleshooting support. This resource is designed to assist owners, mechanics, and technicians in effectively diagnosing and repairing these engines.