This factory service repair manual provides comprehensive information for the Yamaha OUTBOARD 115B. Designed for all models and engine/trim/transmission types, this manual is an essential resource for understanding and maintaining your outboard motor. It highlights the quality engineering and reliability inherent in Yamaha products, ensuring optimal performance and longevity. This manual covers all aspects of service, maintenance, and troubleshooting, offering step-by-step instructions, detailed diagrams, and complete disassembly procedures. Whether you are a DIY enthusiast or an experienced mechanic, this resource will guide you through every task, ensuring your Yamaha outboard motor remains in peak condition. It is suitable for service, maintenance, and troubleshooting, providing the necessary details for effective upkeep.