This factory service repair manual covers the Volvo AQ290 stern drive, specifically for the 5.7L (350) V8 engine variant. Engineered for reliability and performance, this marine propulsion system is designed to provide robust power and dependable operation. The 5.7-liter V8 engine, known for its substantial displacement and proven design, offers ample power for a variety of boating applications. This manual serves as a comprehensive resource for understanding and maintaining this integral component of your vessel. The purpose of this manual is to provide detailed information for the maintenance, repair, and troubleshooting of the Volvo AQ290 stern drive. It includes step-by-step repair procedures, advanced diagnostic guides, and clear illustrations, diagrams, and photos to assist users. Coverage extends to essential systems such as the engine, fuel, ignition, electrical, and cooling systems, as well as the stern drive and tilt/trim functions. This resource is intended for vehicle owners, professional technicians, and mechanics, offering the necessary technical specifications and guidance to ensure optimal performance and longevity of the unit.