This Service Repair Workshop Manual covers the Mercury Mariner outboard engine, a water-cooled unit with a 2.5 HP displacement. Designed for reliable performance, this engine is engineered to provide dependable power for various marine applications. Its robust construction and efficient design ensure it meets the demands of its intended use, offering a straightforward and effective propulsion solution. This comprehensive manual provides detailed information essential for the maintenance and repair of your Mercury Mariner outboard. It includes procedures for routine servicing, technical specifications, and troubleshooting guidance. By following the instructions within this manual, owners and technicians can ensure the continued optimal performance and longevity of the engine.