This manual covers 2-40 HP outboard motors manufactured between 1973 and 1990. These reliable, two-stroke, water-cooled engines are designed for a wide range of marine applications, offering dependable propulsion through their propeller drive systems. With power outputs ranging from 2 HP to 40 HP and featuring carburetor fuel delivery, these outboards are known for their robust engineering and straightforward operation, making them a popular choice for various boating needs. This comprehensive repair manual provides essential information for the maintenance and repair of your outboard motor. It details critical procedures, technical specifications, and troubleshooting guidance for models from 2 HP to 40 HP. Coverage includes routine servicing, lubrication recommendations, electrical system diagnostics, cooling system maintenance, and transmission operations, ensuring owners and technicians have the necessary resources to keep these engines running efficiently and reliably.