Yamaha F15LPHA Outboard Motor. 20-Inch Shaft Tiller Handle Electric Start Power Tilt Gray. The Yamaha F15LPHA Outboard Motor brings big features to the portable power class with remote control capability, electric start, and power tilt-a rare combination in the 15-horsepower category. This long-shaft, 4-stroke engine is the perfect match for skiffs, inflatables, jon boats, and small pontoons where remote steering and enhanced trim control are essential.. With a 20-inch shaft and a smooth-running