The Mercury Mariner 175 HP EFI Outboard, manufactured between 1992 and 2000, represents a robust V6 engine designed for marine propulsion. Featuring Electronic Fuel Injection (EFI) and a naturally aspirated configuration, this water-cooled engine delivers 175 horsepower. Its approximate weight ranges from 450 to 500 lbs, making it suitable for a variety of watercraft applications where reliable power and performance are paramount. The engine's engineering emphasizes durability and efficient operation for its intended use on the water. This Factory Service Repair Manual provides comprehensive guidance for the Mercury Mariner 175 HP EFI Outboard. It covers essential maintenance procedures, including recommended lubrication, fuel system requirements, and annual service items such as spark plug replacement and impeller checks. The manual also details technical specifications and troubleshooting information necessary for owners, mechanics, and technicians to ensure the optimal performance and longevity of the engine. Its purpose is to serve as a definitive resource for all service and repair needs.