This Service Repair Workshop Manual covers the Yamaha 115C/130C Outboard model from 2004. These engines are known for their robust 2-stroke, inline 4-cylinder design, delivering between 115 and 130 horsepower. Engineered for reliability and performance, they are suitable for a wide range of marine applications, offering dependable power for both recreational and professional use. The manual provides comprehensive information to ensure optimal operation and longevity of your Yamaha outboard. The purpose of this manual is to provide detailed instructions and specifications for the maintenance, repair, and troubleshooting of your Yamaha 115C/130C Outboard. It includes step-by-step procedures, hundreds of pages of content with detailed photos and diagrams, and highly detailed exploded diagrams. This resource is designed to assist owners, mechanics, and technicians in performing all necessary service tasks, from routine maintenance and oil changes to complex repairs, ensuring the continued performance and safety of the vessel.