This Service Repair Workshop Manual provides comprehensive guidance for the Yamaha 20C 20CMH outboard motor. Engineered for reliability and performance, this 20-horsepower gasoline-powered motor is designed to keep your vessel operating properly. The manual is intended for both do-it-yourself enthusiasts and experienced mechanics, offering detailed information to ensure optimal functionality and longevity of your Yamaha outboard. This manual covers all aspects of service, maintenance, and troubleshooting for the Yamaha 20C 20CMH. It includes step-by-step instructions, complete disassembly procedures, and top-quality exploded diagrams and pictures to facilitate understanding and execution of repairs. The goal is to equip users with the necessary knowledge to maintain their outboard motor effectively, ensuring it remains in peak working condition.