This workshop service manual covers the Mercury Mariner outboard engine manufactured between 2000 and 2007. These engines are equipped with a 4-stroke EFI system, delivering 150 horsepower from an inline 4-cylinder configuration with a displacement of 2070 cc. Notable features include electronic fuel injection for efficient combustion, a water-cooled system for optimal operating temperatures, and a power trim and tilt system for enhanced maneuverability. The Mariner series is engineered for reliability and performance, making it a capable choice for various marine applications. This comprehensive manual provides detailed information essential for the maintenance, repair, and overhaul of your Mercury Mariner engine. It includes in-depth procedures, technical specifications, troubleshooting guides, and safety recommendations. Whether you are a seasoned technician or an owner performing routine maintenance, this guide will assist you in understanding and servicing your engine, ensuring its longevity and optimal performance. Coverage includes lubrication, ignition, fuel systems, and transmission details, all presented in English.