This Parts Catalogue covers the Yamaha 2CMH outboard motor from the 2003 model year. This water-cooled, single-cylinder, 2-stroke engine delivers 2 HP and operates within a 4500-5500 RPM range. It features a CDI ignition system, a Mikuni carburetor, and requires a 25:1 oil/gas mixture for its pre-mix lubrication. The transmission offers Forward-Neutral-Reverse selection with a 2.08:1 gear ratio. This model is engineered for reliable performance and efficiency. This manual provides comprehensive parts information for the Yamaha 2CMH, including detailed diagrams and listings for various assemblies such as the cowling, cylinder crankcase, starter system, generator, bracket assembly, upper casing, and lower casing drive. It also covers repair kits and includes a numerical index for easy part identification. Essential maintenance details, including recommended gear oil type and capacity, spark plug specifications, and anode replacement guidelines, are also outlined. This English-language Parts Catalogue is designed to assist owners and technicians in identifying and sourcing the correct components for maintenance and repair.