This comprehensive Mercury Mariner Outboard Workshop Manual offers detailed instructions for servicing and repairing a wide range of 2-stroke outboard engines, covering models from 40hp to 115hp produced between 1965 and 1990. The manual provides step-by-step guidance on various aspects of engine maintenance and repair, including: * **Tools and Techniques:** Essential tools and techniques needed for successful repair work. * **Troubleshooting:** A thorough approach to identifying and resolving common engine problems. * **Maintenance and Tune-Up:** Routine maintenance procedures, including tune-ups and adjustments for optimal performance. * **Timing and Adjustments:** Precise instructions on timing adjustments and other critical engine settings. * **Fuel System:** In-depth coverage of the fuel system, including troubleshooting and repair procedures. * **Electrical Ignition System:** Detailed explanation of the electrical ignition system, covering diagnosis and repair. * **Jet Drives / Sea Drives (if applicable):** Specific information on jet drives and sea drives, if applicable to your model. * **Base Repair:** Comprehensive guide to repairing the engine base and related components. * **Lower Unit:** Detailed instructions for servicing and repairing the lower unit, including gear case repair. * **Tilt & Trim:** Information on troubleshooting and repairing the tilt and trim system. * **Rewind Starter:** Guidance on servicing and repairing the rewind starter mechanism. * **Parts Numbers:** A comprehensive listing of parts numbers for easy identification and ordering. * **Detailed Pictures and Diagrams:** Clear and detailed illustrations and diagrams to aid understanding and repair procedures. This manual serves as a valuable resource for anyone looking to perform their own maintenance and repairs on Mercury Mariner outboard motors. The detailed information and comprehensive coverage make it an essential tool for ensuring optimal engine performance and longevity.

The Mercury/Mariner Outboard Workshop Manual for 40-115hp engines spanning the years 1965-1990 serves as a comprehensive guide for technicians and DIY enthusiasts alike. This manual encompasses a wide range of popular Mercury and Mariner outboard models, from the 40hp workhorse to the powerful 115hp engines. It is a valuable resource for anyone seeking to diagnose, maintain, or perform repairs on these legendary outboards. The manual provides detailed information on various aspects of these engines, including lubrication systems, fuel systems, electrical systems, cooling systems, and more. It features step-by-step instructions, exploded diagrams, and numerous illustrations to facilitate understanding and execution of various repair procedures. This workshop manual is a treasure trove of information that offers a deep dive into the engineering and mechanics of these Mercury/Mariner engines. The manual covers everything from basic engine fundamentals to advanced troubleshooting techniques, giving users the confidence to tackle a wide range of tasks. From routine maintenance like oil changes and spark plug replacements to more complex repairs like carburetor rebuilding and engine rebuilding, this manual provides all the necessary knowledge and guidance. It serves as a valuable resource for both professional technicians seeking to optimize their knowledge and DIYers looking to save money by performing repairs themselves. The Mercury/Mariner Outboard Workshop Manual is an essential tool for anyone who wants to keep their outboard running smoothly and reliably for years to come.