This manual covers Yamaha 225G, 250B, and L250B Outboard models, including specific serial number ranges for various configurations. These V6, 3.3-liter fuel-injected engines deliver between 200 and 250 horsepower, representing Yamaha's commitment to reliable and powerful marine propulsion. Engineered for demanding marine environments, these outboards are designed for exceptional performance and durability, making them a trusted choice for a wide range of boating applications. The comprehensive Service Repair Workshop Manual provides essential information for maintaining and repairing these Yamaha outboard engines. It details general information, technical specifications, periodic inspections, adjustments, and in-depth procedures for the fuel system, power unit, lower unit, and electrical systems. This manual is an indispensable resource for owners, technicians, and mechanics, offering guidance on troubleshooting, wiring diagrams, and recommended maintenance schedules to ensure optimal engine performance and longevity.