This workshop service repair manual covers Volvo Penta Aquamatic sterndrive models from the 280, 285, and 290 series. Designed for inboard/sterndrive marine engines, these units are engineered for reliable performance on the water. The Aquamatic sterndrive system is central to the functionality of these marine powerplants, offering a robust solution for propulsion. This comprehensive English-language manual provides detailed, step-by-step instructions with accompanying pictures for every service and repair procedure, from A to Z. It is designed to assist owners, mechanics, and technicians in maintaining and repairing their Volvo Penta Aquamatic sterndrive units. The manual includes information on service intervals, fluid capacities, and troubleshooting, ensuring that all aspects of the unit's operation and upkeep are covered.