The Honda 16100-ZH9-822 Carburetor Assembly - Be21A C helps regulate fuel and air flow for proper engine combustion and reliable performance. This replacement carburetor assembly mixes fuel with incoming air and delivers the mixture to the engine for combustion. Proper mixture control supports smooth starting, steady operation, and consistent engine response. Replacing a worn or damag... https://www.wholetoolbox.com/honda-16100-zh9-822-carburetor-assembly-be21a-c/16100-ZH9-822.html