This workshop service repair manual provides comprehensive official factory information for the Volvo AQ271 marine sterndrive, powered by a 5.7L (350 cubic inch) V8 engine. Engineered for marine applications, this system is renowned for its robust construction and reliable performance. The AQ271 is designed to deliver consistent power and efficiency, making it a trusted choice for boat owners seeking dependable propulsion. This manual details the intricacies of this powerful marine engine and its associated stern drive system. This complete official factory manual is designed to assist owners, mechanics, and technicians in maintaining and repairing the Volvo AQ271. It covers a wide array of topics including detailed step-by-step instructions for maintenance procedures, fuel system, ignition, electrical system, cooling system, stern drive operation, tilt and trim, and steering. The manual also includes advanced troubleshooting guides with detailed wiring diagrams for electrical issues, safety guidelines, tuning procedures, and an appendix, all presented with hundreds of photos and drawings to ensure clarity and ease of use.