The AQ200 Series, specifically the 5.0L V8 engine variant, represents a robust and reliable power unit designed for marine applications. Known for its enduring performance and quality engineering, this engine, typically featuring an Overhead Valve configuration and a displacement of 5.0 liters (302 cubic inches), delivers an estimated horsepower range of 180-225 hp. Its fuel system is commonly carbureted, and it employs a water-cooled system, either raw water or closed cooling. Paired with a sterndrive, this series is built to provide dependable propulsion for a variety of watercraft, embodying a commitment to durability and operational excellence in demanding marine environments. This comprehensive workshop service repair manual provides detailed guidance for the AQ200 5.0L V8. It covers a wide array of essential information, including in-depth maintenance procedures, troubleshooting diagnostics, critical technical specifications, and vital safety guidelines. With hundreds of pages of factory content, this manual is an indispensable resource for owners, mechanics, and technicians. It empowers users to effectively maintain, service, and repair their AQ200 Series engine and drive system, ensuring optimal performance and longevity. The manual is presented in a format for convenient access.