Yamaha - Shaft, propeller - 67F-45611-01-00Yamaha Propeller Shaft Lower Unit Drive Shaft 67F 45611 01 00 Overview The propeller shaft is a critical drivetrain component in Yamaha outboards, responsible for transferring engine power to the propeller. It plays a central role in propulsion, ensuring smooth and efficient movement of the boat through the water. Built to OEM specifications, this shaft provides precise alignment, strength, and reliable performance in demanding marine environments.