2A4115 Push/choke Key (2A) - Overview. The 2A4115 Push/choke Key (2A) is an essential control lever designed for the throttle (push) and choke (pull) operations within Honda marine engine systems. Its primary role is to ensure reliable engine start-up and speed control, making it a vital component for smooth engine performance. Crafted to meet factory specifications, this key integrates flawlessly with existing Honda engine parts, ensuring optimal system functionality and durability.. Key Featur