90-824052R2 Service Manual – Mercury Mariner 135-225HP (1997)

The Mercury 135/225HP Service Manual 1997 (90-824052R2) gives you complete factory instructions for outboard repair and maintenance. It covers 135HP, 150HP, 175HP, 200HP, and 225HP models built from 1992 and newer. Included are XR6, Magnum III, EFI, Pro Max, and Super Magnum variations.

This manual delivers clear, step-by-step procedures for every major system. You’ll find wiring diagrams, torque specifications, and exploded views of components. Each section is organized for fast reference, so you can get the job done without confusion.

The guide covers fuel systems, electrical repairs, ignition, cooling, power trim, tilt, and complete engine overhauls. Every instruction comes directly from Mercury Marine engineers. That means you work with factory-approved information rather than generic notes.

Mechanics rely on this manual to perform accurate repairs in the shop. Boat owners use it to keep their engines reliable and safe on the water. Whether you’re replacing a water pump impeller, servicing the lower unit, or rebuilding a powerhead, this book shows you exactly how to do it.

The manual also stresses safety and proper repair techniques. It helps you avoid costly mistakes and ensures your outboard performs at factory standards. By following its procedures, you extend the life of your engine and maintain peak performance.

Arizona Outboard Dismantlers supplies genuine service manuals like this Mercury 135/225HP Service Manual. With the right guide, you protect your investment and gain the confidence to handle everything from routine maintenance to advanced repairs.