2F4115 Push/choke Key (2F) - Overview. The 2F4115 Push/Choke Key (2F) is a vital component in Honda marine engine systems. It functions as a switch that simultaneously activates both the push-to-start ignition and the choke mechanism, supporting smooth and dependable engine starting. Designed specifically for use in Honda marine systems, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine Honda OEM part ensuring perfect comp