This manual covers Mercury Mariner Outboard engines, specifically models ranging from 70 to 115 horsepower. These robust outboard engines are engineered for reliability and performance across various marine applications. Whether you own an Inline 4-Cylinder or a V6 configuration, this guide provides essential information to understand and maintain your Mercury Mariner. The engines feature displacements typically between 1.7L and 3.0L, with fuel delivery systems that may include fuel injection or carburetors depending on the specific model year and horsepower. The purpose of this comprehensive Service Repair Manual is to serve as a definitive resource for owners, technicians, and mechanics. It details routine maintenance procedures, periodic lubrication schedules, and in-depth troubleshooting guidance for common issues. Coverage extends to all major systems, including engine service and repair, transmission, cooling, steering, fuel injection, electrical systems with wiring diagrams, and emission systems. This manual ensures that you have the necessary knowledge to keep your Mercury Mariner outboard operating at peak efficiency and to perform necessary repairs accurately.