This manual covers the Yamaha F300CA outboard motor, a 4.2L V6 engine producing 300 HP. Manufactured from June 2011 to the present, with PID range 6CE-1003590 and newer, this water-cooled, fuel-injected motor is engineered for robust performance and reliability. Its advanced design and powerful output make it suitable for a variety of demanding marine applications, ensuring a superior boating experience. This Factory Service Repair Manual Supplement, written in English, provides comprehensive instructions for disassembly, repair, assembly, and inspection operations. Organized in a sequential, step-by-step format with exploded diagrams, it details maintenance and repair procedures. This resource is essential for owners, mechanics, and technicians seeking to maintain the optimal performance and longevity of their Yamaha F300CA outboard motor.