This Service Repair Manual covers the Mercury Mariner 75XD HP outboard, produced between 1987 and 1993. This first-generation model features a 2-stroke, 3-cylinder engine with a displacement of 965cc (59 cubic inches) and delivers 75 horsepower (55.9 kW). It utilizes a carbureted fuel system and is water-cooled, with a CDI ignition system and a typical charging output of 16 amps at 13 volts. Designed for marine applications, this outboard is known for its robust construction and reliable performance on the water. This manual provides comprehensive guidance for the maintenance, repair, and troubleshooting of your Mercury Mariner 75XD HP outboard. It details essential procedures, including lubrication requirements, specifications for engine and drive components, and electrical system information. With this resource, owners and technicians can ensure optimal performance and longevity of the engine, covering aspects from routine servicing to more complex repairs. The manual is presented in English and is designed to be an indispensable tool for anyone working with this model.