This comprehensive Volvo AQ125A 2.1 L (130) 4 cyl engine Factory Service Repair Manual provides you with the same in-depth information that factory-trained technicians use to maintain and repair these engines. The manual features hundreds of pages of detailed illustrations, diagrams, and specifications, allowing you to perform any repair procedure with confidence. Dive into the intricacies of your engine with sections covering safety protocols, tuning procedures, engine specifics, fuel system operations, ignition systems, electrical system workings, cooling system maintenance, stern drive intricacies, tilt/trim functionality, steering mechanisms, comprehensive maintenance guidelines, and a detailed appendix. This manual serves as a complete guide to understanding and addressing all aspects of your Volvo AQ125A 2.1 L (130) 4 cyl engine, empowering you with the knowledge to perform repairs and maintenance yourself. You can readily find the information you need with the manual's numbered table of contents, allowing for quick and easy navigation. The manual goes beyond basic repair instructions, incorporating an advanced troubleshooting guide to help diagnose and resolve any engine issues. It features detailed wiring diagrams for easy understanding and troubleshooting of electrical problems, making it a valuable resource for addressing any electrical system challenges. The manual enables you to perform all service and maintenance tasks yourself, saving you time and money on costly shop labor.

The Volvo AQ125A is a robust and reliable 2.1-liter, four-cylinder gasoline engine designed specifically for marine applications. This engine, with a displacement of 2,118cc, boasts a power output of 130 horsepower and has become a popular choice for boat owners seeking dependable performance. The AQ125A is known for its smooth operation and its ability to handle a variety of boating conditions. The engine is equipped with a single overhead camshaft (SOHC) design, which contributes to its efficiency and smooth power delivery. Its durable cast iron block and aluminum cylinder head provide excellent heat dissipation and longevity, making it a reliable choice for years of boating enjoyment. The AQ125A is a part of Volvo Penta's renowned line of marine engines, known for their quality and performance. The engine is designed to be user-friendly, with features like an electric starter and a simple control system. Though production of the AQ125A has ceased, its legacy continues with its reliable performance and ease of maintenance. The engine is still highly sought after by boat owners due to its readily available parts and comprehensive service manuals. The AQ125A is a testament to Volvo Penta's commitment to producing high-quality marine engines that offer both performance and reliability. Its combination of power, durability, and ease of maintenance has cemented its place as a favorite among boat enthusiasts. The AQ125A remains a popular choice for those seeking a dependable and powerful engine for their marine adventures.