16148-141-881 Choke Dust Cap - Overview. The 16148-141-881 Choke Dust Cap is an essential component designed specifically for Honda marine engine systems. This part acts as a protective cover that prevents dust, dirt, and other contaminants from entering the choke mechanism. By keeping the choke assembly clean, it helps ensure optimal engine performance and reliable cold-start operation. Precisely engineered to OEM specifications, this choke dust cap seamlessly fits with existing components, mai