This manual covers outboard engines manufactured between 1965 and 1989, encompassing a wide range of horsepower from 2HP to 40HP. Outboards from this era are known for their robust engineering and reliability, making them a popular choice for various marine applications. This comprehensive service repair manual provides detailed information on these dependable engines, ensuring their continued performance. The purpose of this manual is to serve as a definitive guide for the maintenance, diagnosis, and repair of outboard engines. It includes essential sections on safety, tuning, fuel systems, ignition, electrical components, powerheads, lower units, and trim/tilt systems. By following the procedures outlined within, owners and technicians can perform immediate repairs and routine maintenance, saving time and money while ensuring the longevity and optimal operation of their outboard.