This service repair manual covers the Mercury Mariner SeaPro outboard engine, a robust and reliable power unit designed for demanding marine applications. While specific production years are not detailed, this manual pertains to the 60 HP SeaPro model, known for its durable 4-stroke construction and efficient performance. Its engineering focuses on delivering consistent power and longevity, making it a trusted choice for various commercial and recreational boating needs. The purpose of this manual is to provide comprehensive guidance for the maintenance, repair, and technical understanding of the Mercury Mariner SeaPro 60 HP outboard. It includes detailed procedures for routine servicing, lubrication, cooling system maintenance, and troubleshooting common operational issues. Essential technical specifications and safety guidelines are also presented, empowering owners, technicians, and mechanics to ensure optimal performance and longevity of the engine.