This workshop service repair manual provides comprehensive information for the Yamaha 115C and 130C Outboard motors manufactured in 2005. These engines are designed for reliable performance and are engineered to meet demanding marine applications. The manual covers all aspects of these specific outboard models, ensuring users have access to detailed technical data and operational guidance for optimal functionality and longevity on the water. The purpose of this manual is to serve as a complete reference for maintenance, repair, and technical understanding of the Yamaha 115C and 130C outboard motors. It includes step-by-step instructions with visual aids for all service and repair procedures, detailed maintenance schedules, lubrication specifications, and troubleshooting guidance. This resource is invaluable for owners, technicians, and mechanics seeking to maintain and effectively repair these Yamaha outboard engines, covering all models, engines, trim, and transmission types.