Yamaha F300USB4 Outboard Motor. 30-Inch Shaft DEC (Digital Electronic Control) Electric Start Power Trim & Tilt Classic White. The Yamaha F300USB4 combines Yamaha's proven offshore power with the timeless Classic White finish, making it a perfect match for premium center consoles, offshore fishing boats, and luxury multi-engine setups. Powered by the legendary 4.2L V6 four-stroke platform, this 300-horsepower outboard delivers strong midrange torque, smooth top-end speed, and exceptional fuel ef