This service repair manual provides comprehensive information for Yamaha 225G, 250B, and L250B outboard motors. These models are engineered for reliable performance and durability, offering robust solutions for various marine applications. This manual is designed to be an essential resource for understanding the intricacies of these Yamaha outboard motors, ensuring their optimal operation and longevity.

The scope of this manual covers critical aspects of maintenance, repair, and technical understanding. It includes detailed sections on General Information, Specifications, Periodic Inspections and Adjustments, Fuel System, Power Unit, Lower Unit, Bracket Unit, Electrical Systems, and Trouble Analysis. Owners, technicians, and mechanics will find this English-language guide invaluable for performing routine maintenance, diagnosing issues, and executing repairs effectively, thereby maximizing the service life and performance of their Yamaha outboard motors.