Your complete guide to keeping your Mercury 2-stroke outboard running strong. This Seloc manual covers all 2.5-250 HP, 1-4 Cylinder & V6 2-Stroke Models, including Jet Drives - 2.5 to 250 HP engines from 2001-2005. Find step-by-step instructions, hundreds of photos and diagrams, and detailed wiring schematics. Whether you're tackling routine maintenance or a full engine rebuild, you'll find maintenance schedules, troubleshooting tips, and skill ratings to match your comfort level. Based on real teardowns by marine experts—the trusted resource for boaters since 1974.