This manual covers the Yamaha 150C and V150C outboard motors, including variants such as 150FETO, 150GETO, 150TR, and V150TR. These engines are engineered for reliable performance and are designed for marine applications. The 150 HP rating indicates a powerful unit suitable for a range of boating needs. This documentation provides detailed information to ensure the optimal operation and longevity of your Yamaha outboard motor. The purpose of this Factory Service/Repair/Workshop Manual is to provide comprehensive guidance for maintenance and repair. It includes detailed procedures for general information, specifications, periodic checks and adjustments, fuel system, power unit, lower unit, bracket unit, and electrical system. Furthermore, it offers extensive troubleshooting guidance to help diagnose and resolve issues. With step-by-step instructions, exploded diagrams, and clear illustrations, this manual is an essential resource for owners and technicians alike.