Yamaha F20SMHB Outboard Motor. 15-Inch Shaft Tiller Handle Manual Start Manual Tilt Gray. The Yamaha F20SMHB Outboard Motor offers portable 20-horsepower performance in a straightforward, no-nonsense configuration-perfect for anglers, utility boaters, and outdoor enthusiasts who prioritize reliability and simplicity. With a 15-inch shaft, manual start, manual tilt, and tiller handle steering, this lightweight 4-stroke is built for small boats, inflatables, and jon boats.. Despite its minimalisti