This manual covers the Yamaha 115HP Outboard engine, produced between 1996 and 2006. Engineered for reliability and performance, these outboard units are designed for a wide range of marine applications. This document provides comprehensive information to ensure the optimal operation and longevity of your Yamaha outboard. This complete workshop service repair manual in English offers A-Z comprehensive service and repair procedures for all models, engines, trim, and transmission types. It details maintenance schedules, fluid capacities, troubleshooting common issues, diagnostic procedures, and includes step-by-step instructions for component removal and installation. Essential technical specifications, wiring diagrams, and information on cooling, fuel, and emission systems are also covered, making it an indispensable resource for owners and technicians alike.