Yamaha F250XSB Outboard Motor. 25-Inch Shaft DEC (Digital Electronic Control) Electric Start Power Trim & Tilt Gray. The Yamaha F250XSB is a premium offshore outboard engineered for smooth operation, advanced technology, and Yamaha's legendary dependability. Powered by a robust 4.2L V6 four-stroke engine, this 250-horsepower motor delivers exceptional torque, fast acceleration, and efficient cruising-perfect for offshore fishing, cruising, and larger recreational boats.. With Digital Electronic