This service repair manual provides comprehensive information for the Mercury Mariner 6 HP Outboard, a 2-stroke, water-cooled engine designed for reliable performance. With a displacement of 123 cc and an output of 6 HP, this outboard motor features a CDI ignition system and a down-draft carburetor for efficient operation. Its robust construction and engineering quality ensure dependable service for various marine applications. This manual is your essential guide to maintaining and repairing the Mercury Mariner 6 HP Outboard. It covers critical maintenance procedures, including fuel mixture ratios, lubrication requirements, and spark plug specifications, alongside detailed technical data. By following the instructions within this manual, owners and technicians can ensure optimal performance, longevity, and safe operation of their outboard motor.