This workshop service manual covers the Mercury Mariner outboard motor, a reliable and efficient power unit designed for a variety of marine applications. Engineered for durability and performance, the Mariner series offers a robust solution for boaters seeking dependable propulsion. Its compact design and straightforward operation make it an excellent choice for tenders, jon boats, and smaller craft where ease of use and consistent power are paramount. This manual provides comprehensive guidance for technicians and owners involved in the maintenance and repair of the Mercury Mariner outboard motor. It details essential procedures, technical specifications, and troubleshooting steps necessary to ensure optimal performance and longevity. Coverage includes routine servicing, component diagnostics, and repair techniques, empowering users to effectively manage their equipment.