Yamaha Outboard - T9.9LPHB. Yamaha T9.9LPHB High Thrust Outboard Motor. 20-Inch Shaft Tiller Handle Electric Start Power Tilt High Thrust Gray. The Yamaha T9.9LPHB High Thrust Outboard Motor is designed to deliver powerful low-speed thrust and exceptional maneuverability, making it a top choice for trolling, kicker, and auxiliary applications. With a 20-inch shaft and a high-thrust lower unit, this model is ideal for pontoons, sailboats, and fishing vessels that require controlled, quiet, and re