99101-124-0780 Main (#78) Jet - OverviewThe 99101-124-0780 Main (#78) Jet is a crucial component in the fuel system of Honda marine engine systems. It plays an essential role in regulating the fuel flow to the carburetor at higher throttle settings, ensuring optimal engine performance and efficiency. As an OEM part, it guarantees seamless integration with existing parts, maintaining optimal performance and durability.Key Features. Precise Main Jet (#78) designed to regulate fuel flow for smooth