This repair manual covers Mercury Mariner 2-Stroke Outboard motors manufactured between 2001 and 2005. These marine outboard motors, powered by gasoline engines, offer a horsepower range from 2.5 HP to 225 HP, encompassing a wide array of specific models. Engineered for reliability, these motors are designed to provide dependable performance for various marine applications. This comprehensive repair manual is designed to assist owners, mechanics, and technicians in maintaining and repairing their Mercury Mariner outboard motors. It provides detailed guidance on essential procedures, including general information, routine maintenance, engine removal and installation, fuel and lubrication systems, electrical systems, and advanced troubleshooting. The manual also includes specifications and covers all versions of the listed machines, ensuring thorough support for the operational life of your motor.