This service manual is a must-have for any boat owner who wants to maintain their Mercruiser outboard motor in top condition. It covers the Mercury Mariner 4 Cylinder engine and provides detailed information about its maintenance, repair, and troubleshooting procedures. The manual is easy to follow and includes diagrams, illustrations, and step-by-step instructions. It is a valuable resource for both experienced and novice boat owners. Whether you are looking to replace a part, fix a problem, or simply want to keep your engine running smoothly, this manual has all the information you need.