This manual covers the Yamaha 250ETXD outboard motor, produced in 1990. Engineered for reliability, this 250 horsepower, V6, 2-stroke gasoline engine represents a significant advancement in marine propulsion technology. Its robust construction and efficient design make it a dependable choice for a wide range of boating applications, ensuring consistent performance and durability on the water. The purpose of this factory-quality, English-language service repair maintenance manual is to provide comprehensive guidance for the repair and maintenance of the Yamaha 250ETXD. It includes detailed subsections for all major topics, such as General Information, Fuel System, Power Unit, Lower Unit, Bracket Unit, and the Electrical System, along with troubleshooting and specifications. With step-by-step instructions, wiring diagrams, illustrations, photos, and exploded views, this manual is an essential resource for owners, mechanics, and technicians to effectively maintain and repair the outboard motor.