16953-ZV0-005 Petcock Lever - Overview. The 16953-ZV0-005 Petcock Lever is an essential control component within the Honda marine engine fuel system. This lever allows manual regulation of fuel flow, effectively switching the fuel supply on or off as needed. Designed to ensure seamless integration with existing fuel system hardware, it supports reliable engine operation by maintaining optimal fuel management and performance stability in marine environments.. Key Features. Controls fuel flow manu