This manual covers the Mercury Mariner 50 HP outboard motor. Engineered for reliability and performance, the Mercury Mariner is a versatile outboard motor designed for a range of boating applications. Its robust construction and efficient power delivery make it a dependable choice for recreational and professional use. The 50 HP engine, likely a 3-cylinder water-cooled unit, offers a balance of power and fuel efficiency, suitable for various hull types and water conditions. This Service Repair Manual provides comprehensive guidance for the maintenance, repair, and troubleshooting of your Mercury Mariner 50 HP outboard motor. It details essential procedures, technical specifications, and recommended service intervals to ensure optimal performance and longevity. Whether you are performing routine maintenance, such as oil changes and spark plug replacement, or undertaking more complex repairs, this manual serves as an indispensable resource for owners, technicians, and mechanics. All information is presented in English.