This workshop service manual covers the Mercury Mariner outboard engine, a gasoline-powered, water-cooled unit featuring a 4-cylinder configuration with approximately 1.7L displacement and a CDI ignition system. Delivering 115 horsepower, this outboard drive is engineered for reliable performance. Its robust construction and efficient design are hallmarks of Mercury Marine's commitment to quality and durability in marine propulsion. This comprehensive English-language manual provides detailed information for the repair and overhaul of your Mercury Mariner outboard. It is intended for individuals with general automobile practices and covers essential maintenance procedures, technical specifications, and troubleshooting guidance. By following the instructions within this manual, owners and technicians can ensure the optimal performance, longevity, and safe operation of the engine.