The Yamaha F300CA, a robust V6 outboard motor with a 4.2L displacement, represents a significant advancement in marine propulsion technology. Introduced in 2010 and continuing production, this model delivers 300 horsepower, powered by a sophisticated Electronic Fuel Injection (EFI) system and a reliable TCI ignition. Its water-cooled, thermostat-controlled engine, coupled with an outboard gearcase featuring Power Trim & Tilt, ensures efficient and responsive performance for a wide range of boating applications. Engineered for durability and power, the F300CA is designed to meet the demands of serious mariners seeking dependable operation. This Factory Service Manual provides comprehensive coverage of the Yamaha F300CA outboard motor, detailing all aspects of its maintenance and repair. Organized in a sequential, step-by-step format, the manual includes essential information such as exploded diagrams preceding disassembly sections, lubrication specifications, and recommended service intervals. It guides owners, mechanics, and technicians through routine maintenance, troubleshooting, and in-depth repair procedures, ensuring the longevity and optimal performance of the engine. The manual is presented in English and covers models from serial number 6CE-1000001 to the current production.