This workshop service repair manual covers the Volvo AQ171 marine engine, a 4-cylinder, 2.5-liter internal combustion engine producing 152 horsepower. Engineered for marine applications, this engine represents Volvo's commitment to reliable performance and durable construction. Its robust design ensures consistent operation in demanding aquatic environments, making it a trusted choice for boat owners and operators. This comprehensive English-language manual provides detailed guidance for maintaining and repairing your Volvo AQ171 engine. It includes extensive information on service procedures, troubleshooting common issues, and technical specifications necessary for optimal performance. With hundreds of pages of expert advice, this manual is an indispensable resource for owners, technicians, and mechanics seeking to preserve the longevity and functionality of their marine propulsion system.