This Service Repair Manual covers the Yamaha 20C outboard motor. Designed for reliable performance, this engine represents Yamaha's commitment to engineering excellence in marine propulsion. Its robust construction and efficient design make it suitable for a wide range of boating applications, ensuring dependable operation on the water. This comprehensive manual provides essential information for the maintenance, repair, and troubleshooting of your Yamaha 20C. It includes detailed sections on general service, fuel system, power unit, lower unit, bracket unit, and the electrical system. Technical specifications and diagnostic procedures are also covered, empowering owners and technicians to keep the engine in optimal condition and address any issues that may arise. The manual is available in English, French, and Spanish.