This comprehensive repair manual provides detailed instructions and technical specifications for Yamaha 50HP and 60HP 4-Stroke High Thrust EFI outboard motors manufactured between 2005 and 2011. It covers a wide range of topics essential for both routine maintenance and advanced repairs. You'll find in-depth information on general operation, routine maintenance procedures, engine removal and installation, fuel system components, lubrication and cooling system, engine specifications, transmission, drive chain and sprockets, steering system, shocks, bodywork, intake and exhaust systems, electrical system, and advanced troubleshooting techniques. This manual is an invaluable resource for anyone looking to maintain or repair these Yamaha outboard motors. It provides clear and concise instructions, diagrams, and illustrations to guide you through every step of the process.

The 2005-2011 Yamaha 50HP and 60HP 4-Stroke High Thrust EFI outboard motors are powerful and reliable workhorses designed for a variety of marine applications. These engines are renowned for their durability, fuel efficiency, and smooth operation, making them a popular choice for anglers, boaters, and commercial users alike. These models feature Yamaha's signature High Thrust design, which incorporates a larger propeller and a lower gear ratio for improved thrust and torque at low speeds, ideal for pushing heavier boats or navigating shallow waters. The EFI (Electronic Fuel Injection) system delivers precise fuel delivery for optimal performance and consistent power throughout the engine's speed range. This technology contributes to the smooth acceleration, throttle response, and reduced emissions that these engines are known for. The 2005-2011 Yamaha 50HP and 60HP 4-Stroke High Thrust EFI outboards are built with a focus on reliability and ease of maintenance. These engines benefit from Yamaha's advanced engineering, including a corrosion-resistant aluminum alloy construction, a durable powerhead design, and a robust cooling system. The engine's design also incorporates features that simplify routine maintenance tasks, such as easy access to filters and oil drain points. Whether fishing in challenging conditions, hauling heavy loads, or simply enjoying leisurely boat rides, these Yamaha outboards provide the power, efficiency, and reliability needed for a fulfilling experience on the water.