This manual covers Mercury Mariner Outboard motors manufactured between 1992 and 1998, including models ranging from 135 HP to 225 HP, such as the 150 XR6, 175 EFI, and 225 Pro Max, with serial numbers 0D082000 and above. These V6 outboard engines are engineered for reliable performance and are designed for a variety of marine applications. This comprehensive guide provides the necessary information to understand, maintain, and repair these powerful and dependable marine propulsion systems. The purpose of this extensive 800-page repair manual is to provide detailed guidance for owners, technicians, and mechanics. It covers all aspects of maintenance and repair, including electrical, ignition, fuel, and drive systems, as well as power trim and lower unit servicing. With clear, step-by-step instructions, zoomable illustrations, exploded views, and detailed component breakdowns, this manual is an essential resource for diagnosing issues, performing routine maintenance, and completing complex repairs to ensure optimal engine performance and longevity.