This Service & Repair Manual covers Yamaha F100B and F100C outboard engines manufactured between 2001 and 2007. Engineered for reliability and performance, these outboard engines are designed for a wide range of marine applications. This manual provides comprehensive information to ensure the optimal functioning and longevity of your Yamaha outboard engine, reflecting the quality and precision expected from Yamaha engineering. The purpose of this in-depth manual is to guide owners, mechanics, and technicians through all aspects of maintenance and repair. It includes detailed, step-by-step instructions for routine maintenance and all areas of repair, supported by pictures and wiring diagrams. This professional quality documentation is designed for very easy use, offering clear guidance to keep your Yamaha outboard engine in peak condition.