This document provides comprehensive service information for the Mercury Mariner outboard motor, featuring a 55 HP 2-stroke engine. Designed for reliable performance, this motor is built with quality engineering to meet the demands of various marine applications. Its inline engine configuration and water-cooled system ensure efficient operation, while the CDI ignition system provides dependable starting. Whether for recreational boating or commercial use, the Mercury Mariner is engineered for durability and consistent power output.

This Factory Service Repair Manual is intended for mechanics and DIY individuals seeking detailed guidance on the Mercury Mariner. It covers essential procedures including installation, removal, disassembly, assembly, repair, and checking of all major components. The manual also details technical specifications, troubleshooting steps, and maintenance schedules to help ensure the longevity and optimal performance of your outboard motor. By following the instructions within this manual, users can confidently maintain and repair their Mercury Mariner.