Yamaha Outboards 20HP | F20SWHB
Yamaha Outboards 20HP | F20SWHB. Yamaha’s 362cc, 20hp portable outboard, with its SOHC in-line design and streamlined intake manifold, delivers solid power. Not only that, but it’s one of the most fuel efficient in its class. At just 132 pounds, it’s suitable for lightweight craft such as aluminum fishing boats, tenders and inflatables.