This manual provides comprehensive service and repair information for outboard engines, covering models with horsepower ranging from 70 to 115 HP. Designed for reliability and performance, these engines are engineered for a variety of marine applications. This document aims to be the definitive resource for understanding, maintaining, and repairing your outboard, ensuring its optimal operation and longevity on the water. The scope of this Service Repair Workshop Manual is extensive, offering detailed step-by-step service instructions, full repair coverage, and dealer-level procedures. It includes crucial technical specifications, wiring schematics, and troubleshooting guidance for common issues. Key maintenance topics covered include the fuel system, ignition system, electrical charging and starting, oil injection, lower unit gear housing, power trim, and engine attachments. With clear diagrams and illustrations, this manual empowers owners, mechanics, and technicians to perform all necessary maintenance and repair tasks accurately and efficiently.