The Mercury Mariner 105 HP Jet Outboard, part of the First Generation series produced between 1992 and 2000, is a robust and reliable marine propulsion system. Engineered with a 4-cylinder, 2.5-liter (153.4 cu in) engine, it features a carbureted fuel induction system and electronic ignition for efficient operation. Its water-cooled design ensures optimal performance in demanding conditions, while the power trim and tilt system offers enhanced maneuverability. This outboard is designed for a variety of watercraft, providing dependable power and a smooth jet drive experience. This comprehensive Workshop Service Manual provides essential information for the maintenance and repair of your Mercury Mariner 105 HP Jet Outboard. It covers critical areas including detailed maintenance procedures, troubleshooting guides, technical specifications, and safety precautions. By following the instructions within this manual, owners, mechanics, and technicians can ensure the longevity, optimal performance, and safe operation of their marine engine.