This manual covers Yamaha F225CA, LF225CA, F250CA, LF250CA, F300CA, and LF300CA outboard motors manufactured between 2011 and 2016. These V6 4-stroke outboard engines, available in 3.3L and 3.4L displacements, offer robust performance with horsepower ratings from 225 to 300 HP. Engineered for reliability and efficiency, they feature Electronic Fuel Injection (EFI) and water-cooling systems, making them suitable for a wide range of marine applications. The purpose of this comprehensive Service Repair Workshop Manual is to provide detailed information for the maintenance, repair, and troubleshooting of your Yamaha outboard motor. It includes essential technical specifications, step-by-step procedures, professional diagrams, and safety guidelines. This manual is an indispensable resource for owners, mechanics, and technicians to ensure the optimal performance and longevity of their Yamaha marine engines.