16956-ZE1-811 Spring - Overview. The 16956-ZE1-811 Spring is a critical component in Honda marine engine fuel systems, specifically serving as the petcock lever spring. This spring supports the carburetor system by providing the necessary tension to the petcock valve lever, facilitating fuel flow control and ensuring the engine operates smoothly and reliably. Designed to meet stringent factory specifications, it seamlessly integrates into the engine assembly, maintaining optimal performance and durability.. Key Features. Genuine OEM Honda Spring designed for the petcock lever in the carburetor system.. Provides precise tension to ensure effective fuel flow regulation.. Engineered to match exact factory dimensions and tolerances for perfect fit.. Made of durable metal to withstand marine environment stresses.. Seamlessly integrates with existing hardware, seals, and valves ensuring long-lasting performance.. Helps maintain the mechanical integrity and reliable engine operation.. Why Cho