This manual covers the Mercury Mariner 4-Stroke Outboard motors manufactured between 2001 and 2006. These engines, ranging from 50 to 60 horsepower, feature a carburetor fuel system and are engineered for reliable performance. The Mariner outboard is designed to provide dependable power for a variety of boating applications, emphasizing robust construction and efficient operation. This Factory Service Repair Manual provides comprehensive guidance for the maintenance, repair, and troubleshooting of your Mercury Mariner outboard. It includes detailed procedures for all major systems, such as the engine, power trim, electrical systems, and lower unit. With step-by-step instructions, detailed illustrations, and critical safety information, this manual is an essential resource for owners and technicians seeking to ensure optimal performance and longevity of their vessel's propulsion system.