Yamaha LF250ECB Outboard Motor. 35-Inch Shaft Counter Rotation DEC (Digital Electronic Control) Electric Start Power Trim & Tilt Gray. The Yamaha LF250ECB is a counter-rotation offshore workhorse, purpose-built for tall-transom vessels that require maximum control, balanced handling, and long-term reliability. Powered by Yamaha's renowned 4.2L V6 four-stroke platform, this 250-horsepower engine delivers outstanding midrange torque, smooth acceleration, and excellent fuel economy-making it a top