This Service Repair Workshop Manual provides comprehensive information for the Mercury Mariner MAG10 outboard engine. Designed for gasoline fuel and featuring a water-cooled system, this outboard drive unit is engineered for reliable performance. While specific production years and detailed performance metrics are not detailed, the Mariner MAG10 represents a robust option within its class, built with Mercury's commitment to quality and durability. This manual serves as an essential resource for maintaining and repairing the Mercury Mariner MAG10. It covers a wide range of topics, including detailed troubleshooting guides, essential torque specifications for fasteners, and clear wiring diagrams to assist with electrical system diagnostics. Additionally, a parts catalog is included to facilitate component identification and replacement, ensuring that owners and technicians have the necessary information to keep the engine operating optimally.