This workshop service repair manual covers the Mercury Mariner 75 HP Marathon outboard engine. Engineered for reliability and performance, this powerful outboard is designed for a wide range of marine applications. Its robust construction and efficient water-cooled system ensure dependable operation across various conditions. The manual provides comprehensive information for owners and technicians alike, detailing the intricacies of this respected marine propulsion system. This comprehensive English-language manual, spanning hundreds of printable pages, is your definitive guide for the repair and maintenance of the Mercury Mariner 75 HP Marathon. It offers complete official factory service information, covering all aspects from routine maintenance schedules and lubrication details to in-depth troubleshooting and technical specifications for the engine, fuel system, ignition, and outboard gearcase. This resource is essential for ensuring the longevity and optimal performance of your Mercury Mariner engine.