This workshop service repair manual covers the Mercury Mariner Outboard, manufactured from 1997 onwards. These robust 2-stroke engines are available in 115HP and 125HP configurations, featuring water-cooled systems and carburetor-based fuel delivery. Designed for reliable performance on the water, the Mercury Mariner Outboard is engineered for durability and efficiency, making it a trusted choice for various marine applications. This comprehensive manual provides essential information for the maintenance, repair, and overhaul of your Mercury Mariner Outboard. It includes detailed step-by-step repair procedures, exploded views, illustrations, and technical specifications. The manual covers critical areas such as lubrication, cooling system maintenance, fuel system servicing, and ignition system details, ensuring that owners, mechanics, and technicians have the knowledge required to keep the engine operating at peak performance.