This service manual covers the Johnson Evinrude 3 HP outboard motor, spanning model years from 1965 through 1978. These engines are known for their robust construction and reliable performance, making them a popular choice for a variety of small watercraft applications. This manual details the engineering and design that contribute to the enduring quality and dependable operation of these classic outboard motors. The purpose of this comprehensive manual is to provide detailed information for the maintenance, repair, and servicing of your Johnson Evinrude 3 HP outboard. It includes essential procedures, technical specifications, troubleshooting guides, and safety recommendations. Owners, mechanics, and technicians will find this resource invaluable for ensuring the optimal performance and longevity of the motor through accurate and efficient upkeep.