This manual covers the Volvo AQ175 marine engine, a V6 model with a 3.5-liter (229 cubic inch) displacement. Designed for stern drive applications, this engine is known for its robust construction and reliable performance in marine environments. Its engineering prioritizes durability and efficiency, making it a capable choice for various boating needs. This comprehensive Factory Service Repair Manual in English provides detailed information essential for the maintenance and repair of your Volvo AQ175 engine. It covers critical areas including recommended service intervals, lubrication specifications, cooling system operation, fuel and ignition system details, and electrical system parameters. With hundreds of pages of technical guidance, this manual serves as an indispensable resource for owners, technicians, and mechanics to ensure optimal performance and longevity of the marine propulsion system.