This Factory Service Repair Manual covers the Volvo AQ125A, a marine engine featuring a 2.1-liter, 4-cylinder configuration producing 130 horsepower. Designed for reliability and performance, this engine represents Volvo's commitment to quality marine propulsion. Its robust engineering ensures dependable operation for a variety of maritime applications. This comprehensive manual provides detailed information essential for the maintenance, repair, and troubleshooting of your Volvo AQ125A. It includes step-by-step instructions, detailed illustrations, and diagrams covering all major systems, including the fuel, ignition, cooling, stern drive, tilt trim, and steering systems. With advanced troubleshooting guides and electrical service procedures, this manual is an indispensable resource for owners and technicians alike to ensure optimal performance and longevity of the engine.