This workshop service repair manual covers Volvo Penta 7.4 Gi / 7.4 GSi / 8.2 GSi Sterndrive marine engines manufactured between 1999 and 2006. These V8 gasoline engines are available in 7.4L (454 cu in) and 8.2L (502 cu in) displacements, offering power outputs typically ranging from 300-330 HP for the 7.4L and 340-365 HP for the 8.2L. Featuring fuel injection and electronic ignition, these engines are designed for reliable performance in marine applications, often paired with sterndrive transmissions, including DuoProp systems. The robust engineering of Volvo Penta ensures durability and efficiency for a wide range of boating needs. This comprehensive manual provides essential information for the maintenance, repair, and troubleshooting of your Volvo Penta sterndrive engine. It details critical procedures, technical specifications, and safety guidelines necessary for proper upkeep. Owners, technicians, and mechanics can utilize this resource to understand engine operation, perform routine servicing such as oil changes, and address potential issues. The manual covers various aspects of the engine and its associated systems, ensuring that your vessel remains in optimal condition and operates safely and efficiently throughout its service life.