This workshop service repair manual covers Yamaha F225CA, LF225CA, F250CA, LF250CA, F300CA, and LF300CA outboard engines manufactured between 2011 and 2016. These V6 four-stroke engines, featuring fuel injection, offer power outputs ranging from 225 HP for the 3.3L displacement models to 300 HP for the 4.2L displacement models. Designed for marine applications, these engines are built for reliable performance and durability. This comprehensive English-language manual provides detailed information essential for the maintenance and repair of your Yamaha outboard engine. It includes procedures for routine servicing, troubleshooting common issues, technical specifications, and important safety guidelines. By following the instructions within this manual, owners, mechanics, and technicians can effectively maintain the optimal performance and longevity of their Yamaha F225CA, LF225CA, F250CA, LF250CA, F300CA, and LF300CA engines.