This manual covers the Yamaha B115X marine outboard. Designed for reliable performance on the water, this outboard motor embodies Yamaha's commitment to engineering excellence and durability. Its robust construction and advanced features ensure efficient operation for a wide range of boating applications, from recreational cruising to demanding commercial use. Owners can expect a dependable power source built to withstand the rigors of marine environments.

This comprehensive service manual provides essential information for maintaining and repairing your Yamaha B115X outboard. It details general information, specifications, periodic inspection and adjustment procedures, and in-depth coverage of the fuel system, power unit, lower unit, bracket unit, and electrical system. Furthermore, the manual includes a valuable section on trouble analysis, equipping owners, technicians, and mechanics with the knowledge to diagnose and resolve issues effectively, ensuring optimal performance and longevity of the engine.