2E4115 Push/Choke Key (2E) - Overview. The 2E4115 Push/Choke Key (2E) is an essential component of Honda marine engine systems, specifically designed for key switch assemblies that control engine start (push) and choke functions. This part fulfills the critical role of enabling reliable ignition and choke operation to ensure smooth engine starts and optimal running in various conditions. Engineered for precision and durability, it ensures seamless integration with existing parts, maintaining opt