This manual covers the Mercury Mariner SeaPro outboard motor, a robust 2-stroke engine designed for reliable performance. Featuring a 3-cylinder configuration with 60 cubic inches of displacement, this 55 HP motor operates within a maximum RPM range of 5000-5500. Its carbureted fuel system and CDI ignition ensure efficient power delivery, while the water-cooled system provides dependable operation in demanding conditions. The transmission offers Forward, Neutral, and Reverse gears with a 2.00:1 gear ratio, and manual tilt allows for easy trim adjustments. This comprehensive Service Repair Manual in English provides detailed information for maintaining and repairing your Mercury Mariner SeaPro outboard motor. It includes essential sections on engine specifications, lubrication requirements, cooling system maintenance, and electrical system details. With clear instructions and technical data, this manual is an indispensable resource for owners, technicians, and mechanics seeking to ensure the longevity and optimal performance of their Mercury Mariner SeaPro.