This comprehensive service and repair manual covers all Mercury Mariner outboard motors from 2HP to 40HP, manufactured between 1965 and 1991. It provides detailed instructions and diagrams for every repair procedure, from basic maintenance to complex engine overhauls. This manual is an essential resource for anyone who owns or maintains these popular motors, offering the same level of expertise used by professional mechanics. Inside, you'll find comprehensive coverage of all major repair topics, ensuring you have the information needed to troubleshoot, diagnose, and repair any problem you encounter.

The Mercury Mariner 2HP to 40HP outboard motor series, produced from 1965 to 1991, represents a significant era in the history of small outboard engines. These engines were known for their reliability, durability, and relatively simple design, making them popular choices for a wide range of boating applications, from small dinghies and fishing boats to larger recreational vessels. The series featured a diverse range of models, encompassing both two-stroke and four-stroke options, with varying horsepower outputs. The 2HP and 4HP models were lightweight and portable, ideal for powering small inflatables or tenders. The larger 15HP, 20HP, 25HP, 30HP, and 40HP models provided substantial power for larger boats, enabling them to cruise comfortably across lakes, rivers, and coastal waters. The Mercury Mariner 2HP to 40HP series was renowned for its robust construction and long lifespan. These engines were often used in demanding conditions, such as saltwater environments and rough seas, and they consistently delivered reliable performance. The simple design made maintenance and repair relatively straightforward, further enhancing their practicality. The engines featured a variety of features that contributed to their popularity, including integrated fuel tanks, manual or electric starting systems, and a range of gear ratios to optimize performance for various boat types. The series also incorporated advancements in technology over its production run, with the introduction of features such as electric shift and tilt, and improved fuel efficiency systems. The Mercury Mariner 2HP to 40HP series continues to be popular among boaters today, with many engines still in active service thanks to their enduring reliability and value.