This document provides comprehensive information for the Mercury Mariner, a 4-stroke outboard motor designed for reliable propulsion. Its water-cooled system and CDI ignition ensure efficient operation, while the carburetor fuel delivery system offers straightforward performance. The outboard gearcase transmission features Forward, Neutral, and Reverse gears, complemented by a manual start system and an outboard propeller. This motor is engineered for durability and consistent performance in its intended marine applications. This Factory Service Repair Manual, written in English, is an essential resource for maintaining and repairing your Mercury Mariner. It covers a wide range of topics, including detailed maintenance procedures, troubleshooting guides, technical specifications for the 6 HP engine, and critical safety information. With hundreds of pages of expert guidance, this manual empowers owners, technicians, and mechanics to ensure the longevity and optimal performance of their Mercury Mariner outboard motor.