Yamaha F70LB Outboard Motor. 20-Inch Shaft Remote Control Electric Start Power Trim & Tilt Gray. The Yamaha F70LB Outboard Motor is one of the lightest and most versatile 70-horsepower 4-strokes in its class, delivering exceptional performance for a wide range of boats including bay boats, pontoons, center consoles, and aluminum fishing vessels. Featuring a 20-inch shaft, remote control operation, electric start, and power trim & tilt, the F70LB blends speed, torque, and fuel efficiency in a com