This comprehensive workshop service manual provides detailed instructions for the repair and overhaul of Mercury Mariner 80 HP 3 Cylinder Outboard engines manufactured between 1987 and 1993. The manual covers a wide range of topics, including engine diagnostics, troubleshooting, disassembly, component repair, reassembly, and adjustments. It includes detailed illustrations, exploded diagrams, and step-by-step procedures to guide you through each repair process. This manual is an essential resource for mechanics, boat owners, and anyone who wants to learn how to maintain and repair their Mercury Mariner 80 HP 3 Cylinder Outboard engine.

The Mercury Mariner 80 HP 3-cylinder outboard engine, produced from 1987 to 1993, was a reliable and popular choice for recreational boaters. This engine, known for its compact size and lightweight design, offered a balance of power and fuel efficiency. The 80 HP output provided enough thrust for a variety of boats, from small fishing boats to larger runabouts. The 3-cylinder configuration contributed to its smooth operation and reduced vibrations, enhancing the overall boating experience. The Mariner 80 HP was equipped with a variety of features, including a single-lever control system for easy throttle and gear shifting, a built-in alternator for charging the boat's battery, and a reliable ignition system. Its robust construction and durable components ensured long-lasting performance, making it a popular choice among boat owners. The Mercury Mariner 80 HP 3-cylinder outboard engine represented a significant step forward in outboard technology. It incorporated innovative features like a fuel-efficient carburetor design and a low-maintenance ignition system, further enhancing its appeal. The engine's compact dimensions allowed for easy installation on a variety of boats and its light weight minimized strain on the transom. Despite its simplicity, the Mariner 80 HP performed admirably, providing reliable power and smooth operation. However, like any mechanical device, it required regular maintenance and servicing to ensure optimal performance and longevity. This is where the service and repair manual comes in, providing the necessary information and guidance to maintain and troubleshoot the engine effectively. Through its detailed diagrams, clear instructions, and troubleshooting tips, the manual empowers owners to address any issues and ensure their Mariner 80 HP engine operates at peak performance for many years to come.