OEM Carburetor Kit Zama RB-166 Ethanol: Not compatible with greater than 10% ethanol fuel Ethanol Not compatible with greater than 10% ethanol fuel Packaging type OEM package FITS MODELS Zama C1Q-S100A, C1Q-S101A, C1Q-S183, C1Q-S184, C1Q-S185 and C1Q-S99A carburetors