This document details the Mercury Mariner SeaPro outboard engine, a gasoline-powered unit designed for marine propulsion. While specific production years are not detailed, this workshop service manual covers essential aspects of its operation and maintenance, including its 60 HP power output and water-cooled system. The Mariner SeaPro is engineered for reliable performance in marine environments. This comprehensive workshop service manual provides detailed information for the repair and overhaul of the Mercury Mariner SeaPro outboard engine. It covers critical maintenance procedures, recommended service intervals, and optimal operating parameters. Technicians and owners will find guidance on various systems and components, enabling effective upkeep and troubleshooting. The manual is presented in English and is intended to assist users in maintaining the longevity and performance of their Mercury Mariner SeaPro engine.