This workshop service repair manual covers the Volvo AQ255, a marine sterndrive equipped with a 5.7L (350 cubic inches) V8 engine. Engineered for reliability and performance, this marine propulsion system is designed to provide efficient power for a variety of watercraft. Its robust construction and advanced engineering ensure dependable operation for recreational and professional use. This comprehensive manual provides detailed information essential for the maintenance, repair, and troubleshooting of your Volvo AQ255 sterndrive. It includes step-by-step instructions, hundreds of photos and illustrations, and detailed wiring diagrams for the engine and sterndrive systems. Coverage extends to fuel, ignition, cooling, and steering systems, as well as general maintenance, advanced troubleshooting, and safety guidelines, ensuring you have the resources needed to keep your vessel operating optimally.