Yamaha F25SWHC Outboard Motor. 15-Inch Shaft 2-Cylinder Tiller Handle Manual & Electric Start Manual Tilt Gray. The Yamaha F25SWHC is a rugged, portable 25-horsepower outboard built for boaters who want simplicity, control, and Yamaha reliability in a lightweight package. With its short 15-inch shaft, tiller handle steering, manual start, and manual tilt, this model is perfect for jon boats, inflatables, skiffs, and tenders. Weighing just 126 pounds, the F25SWHC is one of the lightest in its cla