41112-ZY6-010 Vertical Shaft - Overview. The 41112-ZY6-010 Vertical Shaft is a critical component within the Honda marine engine systems. This vertical shaft transmits rotational power vertically from the engine to the lower unit, enabling propeller rotation and efficient boat movement. Precision-engineered to meet Honda factory specifications, the shaft ensures seamless integration with existing parts, maintaining optimal performance and durability for your marine propulsion.. Key Features. Gen