This manual covers the Yamaha 4HP / 5HP Outboard models manufactured between 1996 and 2002. These reliable two-stroke engines, featuring a single cylinder and 76 cc displacement, are designed for efficient and dependable performance on the water. With a focus on robust engineering, these outboards offer a user-friendly tiller handle for throttle control and a practical Forward-Neutral-Reverse (F-N-R) shift system, making them a solid choice for various small boat applications. This Factory Service Repair Manual, written in English, provides comprehensive guidance for the maintenance and repair of your Yamaha outboard. It details essential procedures, technical specifications, and troubleshooting steps to ensure optimal performance and longevity. Covered topics include lubrication, cooling system maintenance, fuel and ignition system specifics, and spark plug information. This resource is invaluable for owners, mechanics, and technicians seeking to properly service and maintain these Yamaha outboard engines.