Yamaha F4SMHA Outboard Motor. 15-Inch Shaft Tiller Handle Manual Start Manual Tilt Gray. The Yamaha F4SMHA Outboard Motor delivers reliable, portable power in a lightweight, user-friendly package. Designed for jon boats, small inflatables, and utility applications, this 4-horsepower 4-stroke is compact, quiet, and fuel-efficient. Its convenient carry handle, built-in fuel shutoff, and oil retention system make it perfect for on-the-go use, while Yamaha's engineering ensures dependable performance day after day.. With simple manual starting, forward-neutral-reverse shifting on the tiller, and precise control via twist-grip throttle, the F4SMHA offers smooth handling and responsive power-all in a motor that's easy to transport and store.. Key Features:. 4 Horsepower, Single-Cylinder 4-Stroke EngineDelivers clean, efficient power with smooth low-end torque for maneuvering.. 15-Inch Shaft LengthIdeal for standard transom heights on small boats and inflatables.. Twist-Grip Throttle & F-N-R