This comprehensive service and repair manual provides in-depth information for Mercury Mariner Outboard 45 Jet, 50, 55, and 60 models. It covers a wide range of topics, including detailed instructions for maintenance, troubleshooting, disassembly, and reassembly. The manual encompasses various engine configurations, including the 45 Jet, 50 Marathon, 55 SeaPro, 60 Big Foot, 60 Marathon, and 60 SeaPro models. The manual covers models starting from specific serial numbers, ensuring compatibility for a broad range of engines. This manual features a detailed layout, organized into distinct sections for ease of navigation. * **Section 1: General Information and Specifications** provides a foundation by outlining essential specifications and characteristics of the engines covered. * **Section 2: Electrical and Ignition** delves into the electrical and ignition systems, offering guidance on troubleshooting and repair for components such as the ignition system, battery, charging system, starting system, timing, and synchronization. It also includes comprehensive wiring diagrams for thorough understanding. * **Section 3: Fuel Systems** covers various aspects of the fuel system. It includes detailed guidance on carburetion, fuel pump operation, fuel enrichment systems, and oil injection systems. * **Section 4: Powerhead** provides detailed information on the powerhead, including disassembly, assembly, and repair procedures. * **Section 5: Mid-Section** focuses on the mid-section of the engine, offering instructions for servicing and repair of components like clamp/swivel brackets, driveshaft housing, power trim systems (various designs), and manual tilt systems. * **Section 6: Lower Unit** details the lower unit, covering standard gear housing, specialized gear housings for the 60 Big Foot, 60 SeaPro, and 60 Marathon models, and jet drive systems. * **Section 7: Outboard Installation and Attachments** concludes the manual with instructions on installing and attaching various accessories. This section includes information on ride-guide steering, throttle/shift cables, electrical connections, tiller handle and co-pilot systems, and rewind starter. This manual serves as a valuable resource for mechanics, boat owners, and anyone seeking to maintain and repair Mercury Mariner outboard engines within the specified model range.

The Mercury Mariner Outboard 45 Jet/50/55/60 Service Repair Manual is an essential resource for anyone who owns or works on these popular, reliable outboard engines. This comprehensive manual is designed to provide detailed information and step-by-step instructions for servicing, maintaining, and repairing these engines. It covers a wide range of topics, from routine maintenance tasks such as oil changes and filter replacements to more complex repairs like engine troubleshooting and component replacement. Whether you are a seasoned mechanic or an experienced DIY enthusiast, this manual is an invaluable tool that simplifies the repair process and ensures you have the necessary knowledge to keep your Mercury Mariner outboard running smoothly. The Mercury Mariner Outboard 45 Jet/50/55/60 engines are renowned for their durability, performance, and fuel efficiency. These powerful outboards are ideal for a variety of boating applications, including fishing, cruising, and watersports. They are known for their smooth operation, responsive throttle, and reliable performance in both fresh and saltwater environments. The manual is compatible with all models within the 45 Jet/50/55/60 range, including the 45HP Jet, 50HP, 55HP, and 60HP variants. It provides detailed illustrations, wiring diagrams, and troubleshooting guides to help you understand the engine's operation and identify potential issues. With clear and concise language, the manual walks you through each repair procedure, ensuring that even complex tasks can be completed confidently. The Mercury Mariner Outboard 45 Jet/50/55/60 Service Repair Manual is an indispensable resource for anyone who wants to maintain and extend the lifespan of their outboard engine.