This workshop service manual covers the Mercury Mariner 75 HP outboard motor manufactured between 1987 and 1993. These engines are known for their robust 3-cylinder outboard design and reliable performance, delivering 75 horsepower through a carbureted fuel system and CDI ignition. Engineered for durability and efficiency, the Mercury Mariner 75 HP is a capable choice for various boating applications. Its propulsion unit features a standard forward, neutral, and reverse gear selection, and it utilizes a water-cooled system for optimal operating temperatures. This comprehensive English-language manual provides essential information for the maintenance, repair, and troubleshooting of your Mercury Mariner 75 HP outboard. It details critical procedures for lubrication, cooling system service, and electrical system upkeep, including alternator function. Owners, technicians, and mechanics will find detailed technical specifications, guidance on fuel and ignition systems, and information regarding propeller options. The manual is designed to ensure the longevity and optimal performance of your marine engine.