Yamaha LF115XB Outboard Motor. 25-Inch Shaft Remote Control Electric Start Power Trim & Tilt Counter-Rotation Gray. The Yamaha LF115XB Outboard Motor is the counter-rotating version of Yamaha's proven F115XB, engineered to deliver balanced handling and enhanced tracking for twin-engine applications. With 115 horsepower, a 25-inch shaft, remote control operation, electric start, and power trim & tilt, it's designed to provide the same smooth, fuel-efficient performance as the standard model-while