This manual covers the Mercury Mariner 65 HP Jet outboard engine. This 2-stroke, inline 3-cylinder engine features a carbureted fuel system and CDI ignition, delivering reliable power for various watercraft applications. Its water-cooled design and jet drive propulsion system are engineered for efficient performance and maneuverability. The robust construction and proven technology of Mercury Mariner engines are designed for durability and consistent operation in demanding marine environments. This comprehensive Factory Service Repair Manual, written in English, provides detailed information essential for the maintenance and repair of your Mercury Mariner 65 HP Jet engine. It includes in-depth procedures for routine maintenance, troubleshooting common issues, and technical specifications. Owners, technicians, and mechanics will find guidance on lubrication, fuel system servicing, electrical components, and more, ensuring the longevity and optimal performance of the engine.