This manual covers Mercury Mariner 2-stroke outboard motors, specifically models ranging from 6HP to 15HP, manufactured between 1986 and 2003. These reliable outboard engines from Mercury Marine are designed for a variety of marine applications, offering dependable performance for recreational and professional use. The engineering quality inherent in these Mercury Mariner outboards ensures longevity and efficiency, making them a trusted choice for boaters. The purpose of this comprehensive English-language manual is to provide essential information for the maintenance, repair, and operation of your Mercury Mariner outboard motor. It includes detailed sections on general information, routine maintenance, engine systems, troubleshooting, and technical specifications. Whether you are performing regular service or complex repairs, this guide offers the necessary procedures and insights to keep your motor running optimally, supporting on-site repairs with smart devices.