41110-ZV4-700 Vertical Shaft - Overview. The 41110-ZV4-700 Vertical Shaft is a vital component in Honda marine engine systems, specifically designed to transmit power from the engine to the propeller drive system. This shaft plays a crucial role in enabling the boat's propulsion by efficiently transferring mechanical energy within the Honda-Active Marine drive system. As a genuine OEM component, it ensures seamless integration with existing parts, maintaining optimal performance and durability..