This manual covers the Mercury Mariner Marathon outboard engine, a gasoline-powered, water-cooled unit delivering 75 horsepower. Designed for marine applications, this engine features an electric start system and is built with Mercury's renowned engineering for reliability and performance on the water. Its robust construction ensures dependable operation in various aquatic environments. This comprehensive Factory Service Repair Manual in English provides detailed information for maintaining and repairing your Mercury Mariner Marathon. It includes essential procedures for lubrication, fuel system maintenance, and technical specifications. With hundreds of pages of guidance, this manual is an indispensable resource for owners, mechanics, and technicians seeking to ensure optimal performance and longevity of the engine.