This workshop repair service manual covers the Mercury Mariner outboard engine, a reliable water-cooled unit designed for various marine applications. Featuring a 10 horsepower engine with a CD ignition system and carburetor fuel delivery, this model offers dependable performance. It is equipped with a manual or electric start system, depending on the specific configuration, and utilizes unleaded gasoline. The engine is paired with an outboard gearcase transmission, and its robust engineering ensures consistent operation on the water. This comprehensive English-language manual provides essential information for maintaining and repairing your Mercury Mariner outboard. It details all aspects of the engine, including its water-cooled system, ignition, fuel delivery, and starter systems. The manual offers guidance on scheduled maintenance, fluid capacities, and troubleshooting common issues. Whether you are an owner performing routine checks or a technician undertaking complex repairs, this resource is designed to help you keep your Mercury Mariner operating at peak performance and reliability.