99101-ZG0-0620 Main (#62) Jet - Overview. The 99101-ZG0-0620 Main (#62) Jet is a critical OEM component within the fuel system of Honda marine engines. It governs fuel delivery to the carburetor at higher speeds, ensuring precise fuel combustion and consistent engine performance. As a genuine Honda part, it perfectly matches factory specifications, guaranteeing reliable operation and seamless integration with existing engine hardware. This main jet supports the marine engine system by optimizing