This manual covers the Mercury Mariner 75 HP Seapro, a 2-stroke outboard motor designed for reliable performance. Engineered with a 3-cylinder configuration and a CDI ignition system, this motor delivers 75 HP through a carbureted fuel system and an oil injection system for optimal lubrication. Its water-cooled design ensures efficient operation, while the outboard gearcase features forward, neutral, and reverse gears. The manual details the power trim system, engine installation, and tiller handle controls, providing comprehensive information for this robust marine propulsion unit. This workshop service repair manual in English provides essential information for maintaining and repairing your Mercury Mariner 75 HP Seapro outboard motor. It includes detailed general maintenance schedules, troubleshooting guides, and diagnostic procedures, covering electrical diagnostics and wiring diagrams. The manual also addresses specific components like the power trim system, engine attachment, and controls. This resource is designed to assist owners, mechanics, and technicians in understanding and servicing the motor, ensuring its continued reliability and optimal performance.