This manual pertains to the Yamaha 75C Outboard, a powerful marine engine designed for a variety of watercraft applications. While specific production years are not detailed, the engineering behind Yamaha outboards is recognized for its robust construction and reliable performance, ensuring consistent operation in demanding marine environments. This service repair workshop manual provides comprehensive information for maintaining and understanding this particular model. The purpose of this document is to serve as an authoritative guide for owners with basic mechanical knowledge, independent service professionals, and authorized dealer service departments. It covers essential areas including general information, detailed specifications, periodic checks and adjustments, fuel system, power unit, lower unit, bracket unit, electrical system components, and troubleshooting procedures. With step-by-step instructions, diagrams, illustrations, and wiring schematics, this manual equips users with the necessary resources to effectively maintain and repair their Yamaha 75C Outboard.