The Yamaha F300CA, part of the 4.2L generation and identified by engine family code 6CE, represents a powerful V6 outboard motor designed for demanding marine applications. Since its introduction in April 2010, this fuel-injected engine has delivered exceptional performance and reliability. Its robust construction and advanced engineering ensure dependable operation across a wide range of conditions, making it a premier choice for boaters seeking both power and efficiency from their propulsion system. This Factory Service Manual provides comprehensive guidance for the maintenance, repair, and inspection of the Yamaha F300CA outboard motor. Organized in a sequential, step-by-step format and enhanced with exploded diagrams, it covers all aspects of the unit, from disassembly to reassembly. This manual is an essential resource for owners, mechanics, and technicians, offering the detailed technical specifications, troubleshooting procedures, and safety guidelines necessary to keep the F300CA operating at peak performance and longevity.