This manual covers the Mercury 115 HP Outboard FourStroke engine, an Early EFI FourStroke generation model introduced in 2001. Known for its robust engineering and reliable performance, this naturally aspirated, inline 4-cylinder, water-cooled engine delivers 115 horsepower at 5800 RPM. Featuring Electronic Fuel Injection (EFI) for optimal fuel delivery and a CDI ignition system, it is designed for efficient operation. The engine's through-propeller exhaust and power trim and tilt system further enhance its operational capabilities, making it a dependable choice for a variety of marine applications.

This comprehensive service manual provides detailed information essential for the maintenance and repair of your Mercury 115 HP Outboard. It covers critical areas including lubrication specifications, maintenance schedules, and technical data for the engine and its transmission. With clear instructions and diagrams, this manual serves as an indispensable resource for owners, technicians, and mechanics to ensure the longevity and optimal performance of the engine. Its scope encompasses all aspects necessary for proper upkeep and troubleshooting, facilitating effective service and repair procedures.