The Mercury Mariner, produced between 2001 and 2006, represents a robust and reliable marine engine designed for a variety of watercraft. Featuring a 50 horsepower, 4-stroke gasoline engine, this outboard unit is engineered for dependable performance and efficient operation. Its construction emphasizes durability and ease of use, making it a practical choice for recreational and professional boating alike. The Mariner brand is recognized for its commitment to quality engineering, ensuring that owners can expect consistent power and longevity from their investment. This comprehensive Service Repair Workshop Manual provides essential information for the maintenance and repair of your Mercury Mariner engine. Covering the model years 2001-2006, the manual details repair instructions, adjustment procedures, disassembly and assembly processes, and troubleshooting guidance. It includes critical technical specifications, tightening torques, wear limits, and approved lubricants, along with safety precautions and warnings. With detailed illustrations, exploded diagrams, and clear explanations, this manual is an indispensable resource for owners, technicians, and mechanics to ensure optimal performance and longevity of the marine engine.