This manual covers Yamaha C115X, 115X, S115X, and B115X outboard motors manufactured between 2000 and 2007. These internal combustion engines deliver 115 horsepower and are engineered for reliable performance in various marine applications. This documentation is designed to provide comprehensive support for owners and technicians alike, ensuring the longevity and optimal functioning of these robust outboard motors. The purpose of this comprehensive service and repair manual is to equip you with the knowledge necessary for all maintenance, troubleshooting, and repair procedures. It includes detailed instructions, hundreds of pages of information, hundreds of detailed photos and diagrams, and exploded diagrams to guide you through every aspect of servicing your Yamaha outboard motor. This English-language resource is essential for maintaining your vessel's propulsion system.