This manual covers the Mercury Mariner MAG10 outboard engine. Engineered for reliable performance, this water-cooled, gasoline-powered outboard is designed for various marine applications. Its robust construction and straightforward design ensure dependable operation in demanding conditions, making it a trusted choice for boaters seeking efficiency and durability on the water. This comprehensive Factory Service Repair Manual, written in English, provides essential information for maintaining and repairing your Mercury Mariner MAG10. It details scheduled maintenance, fluid capacities, troubleshooting procedures, diagnostic steps, and repair instructions for key systems including the engine, fuel system, cooling system, and electrical components. With hundreds of pages of detailed guidance, this manual is an indispensable resource for owners and technicians alike.