Carburetor for Honda GX120 GX160 4.0HP 5.5hp ENGINE Adjustable Choke Lever 16100-ZH7-W51 100% high quality and brand New. This is a adjustable replacment carburetor carb for HONDA Gx120 Gx160 4.0HP 5.5HP Machines. it can fit Lawn Mower\ Generator\ Water Pumps and other machine using this model engine. Please check your original carb are the same with this replacement carb. Replaces OEM Part #: 16100-ZH8-W61