This manual covers Yamaha C115X, 115X, S115X, and B115X outboard motors manufactured between 2000 and 2007. These robust marine propulsion units are engineered for reliability and performance in demanding aquatic environments. This professional quality, in-depth service and repair manual provides comprehensive information to ensure optimal operation and longevity of your Yamaha outboard motor. The purpose of this manual is to serve as an authoritative guide for all aspects of service, repair, and maintenance. It includes step-by-step procedures, detailed illustrations, and wiring diagrams for routine maintenance and all servicing and repair jobs. This resource is designed to assist owners, mechanics, and technicians in effectively maintaining and repairing their Yamaha outboard motors, ensuring continued dependable performance.