This manual covers the Yamaha LF300CA outboard motor, manufactured from 2011 and newer. Designed for demanding marine applications, the LF300CA features a robust 4.2L V6 engine, delivering reliable performance and power. Yamaha's commitment to engineering excellence ensures durability and efficiency, making this outboard motor a superior choice for a wide range of vessels. This Service Repair Manual Supplement provides comprehensive guidance for maintaining and repairing your Yamaha LF300CA outboard motor. It details disassembly, repair, assembly, and inspection procedures using sequential, step-by-step instructions and includes exploded diagrams to aid in understanding. This resource is essential for mechanics and technicians seeking to perform accurate and efficient service operations, ensuring the continued optimal performance and longevity of the motor.