Yamaha F6SMHA Outboard Motor. 15-Inch Shaft Tiller Handle Manual Start Manual Tilt Gray. The Yamaha F6SMHA Outboard Motor delivers dependable power in a compact, lightweight frame-perfect for jon boats, inflatables, and small skiffs. With 6 horsepower and full forward-neutral-reverse shifting, it offers excellent low-end torque, fuel efficiency, and smooth operation in tight or shallow spaces.. Designed with portability and practicality in mind, the F6SMHA features a built-in carry handle, twist