41173-ZY6-000 Speed Sensor Tube - Overview. The 41173-ZY6-000 Speed Sensor Tube is a critical rigging component designed to securely house and protect the speed sensor within Honda marine engine systems. This tube supports the accurate measurement of water speed, essential for optimal engine performance and boat control. Expertly crafted to maintain the reliability and efficiency of your Honda marine engine, it ensures seamless integration with existing parts, maintaining optimal performance and