Yamaha F8SMHB Outboard Motor. 15-Inch Shaft Tiller Handle Manual Start Manual Tilt Gray. The Yamaha F8SMHB Outboard Motor delivers smooth, reliable performance in a compact and portable design. With 8 horsepower and a lightweight profile, this 4-stroke outboard is an excellent choice for jon boats, inflatables, skiffs, and utility boats where portability and power need to strike the right balance.. Built for easy operation and transportation, the F8SMHB features a tiller handle with integrated t