This service manual covers the Yamaha 150C V150C outboard motor from the 2004 model year. Engineered for reliability and performance, this outboard motor is designed to provide dependable power for a variety of marine applications. Its robust construction and advanced design ensure efficient operation and longevity, making it a trusted choice for boaters. This comprehensive English-language service manual, spanning 353 pages, is your essential guide for maintaining and repairing the Yamaha 150C V150C. It focuses on the electrical systems, providing detailed procedures for inspection, diagnosis, and repair of components such as the ignition system, sensors, starter motor, charging system, and trim and tilt mechanisms. Included is a trouble analysis chart specifically for electrical problems, empowering owners and technicians to keep the outboard motor in optimal condition.