This workshop service manual covers Mercury Outboard engines, specifically the 45 Jet, 50, 55 Marathon, 55 SeaPro, 60, 60 Big Foot, 60 Marathon, and 60 SeaPro variants, with serial numbers starting from 0D000750 (US) and 09671687 (Belgium). These engines are characterized by their reliable inline 3-cylinder configuration, displacing 1.5 liters (90.3 cubic inches) and offering power outputs ranging from 45 to 60 horsepower. Designed for marine applications, these outboards feature carbureted fuel systems, CDI ignition, and water-cooled operation, making them robust choices for various boating needs.

This comprehensive manual provides essential guidance for the maintenance and repair of your Mercury Outboard engine. It details critical procedures, including lubrication, cooling system maintenance, fuel system servicing, and spark plug replacement, along with recommended service intervals. Technical specifications, troubleshooting tips, and safety guidelines are also included to assist owners, mechanics, and technicians in ensuring optimal performance and longevity of the engine.