This workshop service repair manual covers the Volvo AQ225, a marine sterndrive engine featuring a 5.0L V8 configuration. Engineered for reliability and performance, the AQ225 is designed for demanding marine applications, offering robust power and efficiency. Its V8 architecture, likely carbureted and utilizing a marine cooling system, ensures dependable operation in various watercraft. This manual provides comprehensive documentation for this specific engine model, detailing its unique characteristics and operational parameters. The purpose of this extensive English-language workshop manual is to provide detailed guidance for the maintenance, repair, and servicing of the Volvo AQ225 engine. It contains hundreds of pages of technical information, including procedures, specifications, and troubleshooting advice. Owners, technicians, and mechanics will find the necessary information to ensure the longevity and optimal performance of their AQ225 sterndrive, covering aspects from routine lubrication to complex system diagnostics.