This comprehensive service and repair manual covers Mercury and Mariner 2-stroke outboard motors from 1986 to 2003, specifically the 6HP, 8HP, 9.9HP, 10HP, and 15HP models. It provides detailed instructions for servicing your entire outboard, ensuring peak operating condition. The manual features step-by-step procedures for all aspects of maintenance and repair, including removal and installation of components across the entire engine. Each section begins with clear illustrations, diagrams, exploded parts views, pictures, service information, and troubleshooting tips. The following pages provide detailed procedures for every step. This manual covers all facets of your outboard, including specifications, maintenance, general information, electrical systems, ignition systems, carburetors, EFI systems, powerhead, mid-section, lower unit, attachments, control linkage, throttle/shift linkage, tiller handle, manual starter, diagnostic troubleshooting, and wiring diagrams. The manual covers a vast array of topics, including maintenance schedules, component replacement, troubleshooting guides, and detailed repair procedures. You will find comprehensive information on everything from basic engine maintenance, like changing oil and spark plugs, to more complex repairs, such as rebuilding the carburetor or replacing the water pump. This manual is your ultimate resource for keeping your Mercury or Mariner outboard running smoothly and efficiently.

This comprehensive service manual is your essential guide to maintaining and repairing Mercury 2-stroke outboard engines from 1986 to 2003, spanning models with 6, 8, 9.9, 10, and 15 horsepower. This digital manual, available in convenient PDF format, offers a wealth of information in a user-friendly layout, making it accessible to both experienced mechanics and DIY enthusiasts. It covers every aspect of these engines, from basic maintenance procedures to intricate powerhead rebuilds, ensuring you have the knowledge and tools to keep your outboard running smoothly. The manual is meticulously organized, with chapters dedicated to specific systems and components, such as the electrical system, ignition system, carburetor, fuel injection, powerhead, mid-section, and lower unit. Each chapter provides detailed step-by-step instructions, accompanied by clear diagrams, exploded views, and photographs, for easy comprehension. It goes beyond simple repair guides, encompassing troubleshooting tips, maintenance charts, specifications, and even recommended tools, empowering you to diagnose issues, perform routine maintenance, and tackle complex repairs with confidence. This manual is an invaluable resource for anyone who owns a Mercury 2-stroke outboard engine, offering the knowledge to ensure its optimal performance and longevity.