This manual covers Mercury Mariner Outboard motors, a range of reliable and powerful outboard engines designed for various marine applications. These water-cooled, CDI ignition engines offer a selection of horsepower options from 70 to 115 HP, featuring fuel injection or carbureted systems and displacement varying by specific model. Engineered for performance and durability, Mercury Mariner outboards are built to provide consistent power and efficiency on the water, making them a trusted choice for boaters. This comprehensive service repair manual provides essential information for the maintenance and repair of your Mercury Mariner Outboard. It details critical procedures, including recommended lubrication types and capacities, annual service tasks such as oil and filter changes, and spark plug replacement intervals. The manual also covers technical specifications, troubleshooting guidance, and safety protocols, empowering owners and technicians to ensure optimal performance and longevity of these robust marine engines.