This manual covers the Yamaha F225, F250, and F300 outboard motors manufactured in 2010 and 2011. These 4-stroke, fuel-injected V6 engines deliver exceptional power, ranging from 225 to 300 horsepower, designed for demanding marine applications. Yamaha is renowned for its engineering quality and reliability, ensuring these motors provide dependable performance on the water. This comprehensive Service Repair Factory Manual in English provides detailed guidance for all aspects of maintenance, repair, and diagnostics. It includes step-by-step instructions, clear illustrations, component breakdowns, and exploded views to assist owners, mechanics, and technicians. The manual covers essential procedures, troubleshooting guidance, and technical specifications necessary to maintain and restore these Yamaha outboard motors to optimal working condition.