This workshop service repair manual provides comprehensive information for the Volvo AQ311 marine engine, featuring a 5.7L (350 cubic inch) V8 engine. Engineered for reliability and performance in marine applications, this system is built upon robust components, typical of its GM-based V8 heritage, and is designed to deliver consistent power. The AQ311 system, coupled with its stern drive, represents a significant investment in marine propulsion, emphasizing durability and efficient operation. This manual is an indispensable resource for owners and technicians alike, offering detailed guidance on maintenance, repair, and troubleshooting. It covers essential areas including the engine, fuel system, ignition, electrical and cooling systems, as well as the stern drive and tilt trim. With hundreds of pages, step-by-step instructions, detailed illustrations, and advanced troubleshooting guides, this manual ensures that all aspects of the Volvo AQ311 system can be properly maintained and repaired, promoting longevity and optimal performance.