Yamaha Outboard - F150XHA. 25-Inch Shaft Tiller Handle Electric Start Power Trim & Tilt. Product Overview. The ALL NEW Yamaha F150XHA FourStroke Outboard introduces a game-changing option for serious anglers and boaters: a factory-equipped tiller handle on one of Yamaha's most trusted 150HP platforms. With its 25-inch shaft, this model is ideal for larger fishing rigs, multi-species boats, and utility craft that demand precise tiller control and big horsepower in one package.. Built around Yamah