This factory service repair manual covers the Mercury Mariner Outboard, a gasoline-powered, water-cooled Inboard/Outboard (I/O) engine with an outboard drive. This engine delivers 100 horsepower and features a transmission with Forward, Neutral, and Reverse gears. Engineered for reliability and performance on the water, the Mercury Mariner Outboard is designed for a variety of boating applications. This comprehensive manual provides essential information for maintaining and repairing your Mercury Mariner Outboard. It details critical procedures, technical specifications, and safety guidelines necessary for optimal operation. By following the instructions within this English-language digital manual, owners and technicians can ensure the longevity and efficiency of the engine.