This manual covers the Yamaha 50 HP Outboard motor, produced between 1996 and 2009. These engines, available in 2-stroke and 4-stroke configurations with 3-cylinder and 4-cylinder options, deliver 50 horsepower and are engineered for reliability and performance on the water. The extensive list of specific models covered ensures comprehensive support for a wide range of Yamaha outboard units from this era. This Factory Service Manual provides detailed information for the maintenance, service, and repair of the complete Yamaha 50 HP Outboard engine. It includes step-by-step procedures, assembly and system illustrations, exploded parts views, high-quality pictures, and wiring diagrams. The manual is designed to assist owners, mechanics, and technicians in understanding and performing all necessary upkeep and repair tasks, ensuring the continued optimal operation of the outboard motor.