Yamaha - Shaft, propeller - 6EG-G5611-00-00Yamaha Propeller Shaft Lower Unit Power Transfer 6EG G5611 00 00 Overview When something goes wrong with a prop shaft, you feel it right awayvibration, noise, or just not getting the push you expect. Ive seen bent or worn shafts cause all kinds of issues in the lower unit, especially after a hard strike. This is the piece that actually delivers power to the prop, so it has to be straight, strong, and true. When its right, everything runs smooth and