This manual covers the Yamaha 20CMH outboard motor, manufactured in 2003. Designed for marine propulsion, this 2-stroke engine is a testament to Yamaha's commitment to engineering excellence and reliability. Its robust construction and innovative design ensure dependable performance for a wide range of aquatic applications. This parts catalogue provides detailed information for identifying and ordering components essential for maintaining the operational integrity of your Yamaha outboard motor. The purpose of this English-language parts catalogue is to provide comprehensive documentation for the Yamaha 20CMH outboard motor. It details numerous sections, including TOP COWLING, CYLINDER. CRANKCASE, CRANKSHAFT. PISTON, INTAKE, FUEL, STARTER, GENERATOR, ELECTRICAL, BOTTOM COWLING, STEERING, CONTROL, BRACKET 1, BRACKET 2, UPPER CASING, LOWER CASING. DRIVE 1, LOWER CASING. DRIVE 2, FUEL TANK, REPAIR KIT 1, REPAIR KIT 2, and a NUMERICAL INDEX. This resource is invaluable for owners, technicians, and mechanics seeking to accurately identify and source replacement parts, ensuring the continued optimal function and longevity of the marine propulsion system.