This manual covers the Mercury Mariner 50 HP 4-Stroke Outboard, a robust and reliable marine engine designed for a variety of boating applications. Engineered for performance and durability, this outboard motor delivers consistent power and efficiency, making it a trusted choice for recreational and professional use. Its advanced 4-stroke technology ensures smooth operation and reduced emissions, contributing to a superior boating experience. This comprehensive Factory Service Repair Manual provides detailed instructions and technical specifications essential for the maintenance and repair of your Mercury Mariner 50 HP 4-Stroke Outboard. It includes in-depth coverage of all major systems, including the engine, fuel system, electrical system, transmission, and drive system, along with troubleshooting guides and wiring diagrams. With clear illustrations and step-by-step procedures, this manual is an indispensable resource for owners, technicians, and mechanics seeking to ensure the optimal performance and longevity of their engine.