This Service Repair Manual covers the Volvo AQ250, a marine stern drive powered by a 5.7L (350) V8 engine. Engineered for reliability and performance, the AQ250 is designed for demanding marine applications. Its robust V8 configuration and efficient stern drive system provide excellent power and maneuverability, making it a trusted choice for boat owners and operators. This manual details the comprehensive engineering and quality that define Volvo marine products. This manual provides essential information for the maintenance, repair, and troubleshooting of the Volvo AQ250 stern drive. It includes detailed procedures for engine systems, fuel, ignition, cooling, electrical, and the stern drive unit itself. With hundreds of illustrations and photographs, this English-language document is designed for both do-it-yourself enthusiasts and experienced mechanics. It covers safety guidelines, service intervals, and technical specifications, ensuring the longevity and optimal performance of your marine propulsion system.