This document pertains to Yamaha F225AET, F200AET, FL225AET, and FL200AET outboard motors manufactured between 2002 and 2003. These models represent robust engineering designed for reliable marine propulsion. The comprehensive parts catalogue details numerous components essential for maintaining these powerful outboard motors, covering everything from internal engine parts to external steering and control systems. The purpose of this manual is to provide detailed information for identifying and sourcing replacement parts for the specified Yamaha outboard motor models. It covers a wide array of components, including the top and bottom cowlings, cylinder and crankcase assemblies, crankshaft and piston kits, valve trains, fuel systems, electrical components, and steering mechanisms. This resource is intended for owners, technicians, and mechanics to ensure accurate part identification and facilitate efficient maintenance and repair of these Yamaha outboard motors.