This document covers Mercury Mariner Outboard motors, specifically models ranging from 70 to 115 horsepower. These robust outboard engines are engineered for reliable performance on the water, offering a balance of power and efficiency for various marine applications. Their design prioritizes durability and consistent operation, making them a trusted choice for boaters. This comprehensive repair service manual provides detailed instructions and essential information for maintaining and repairing your Mercury Mariner Outboard. It includes step-by-step repair procedures, critical specifications, illustrations, and guidance on disassembly, assembly, cleaning, and reinstallation. This manual is an indispensable resource for owners, mechanics, and technicians seeking to ensure the optimal performance and longevity of their Mercury Mariner Outboard motor.