1: Size: 19mm carburetor with choke 2: Compatible with: 168F GX120 GX160 5.5HP GX200 6.5HP engine. Replaces references: 16100 - ZH8 3: For lawn mowers, edgers, pressure washers 4: Matches the original equipment for a perfect fit and easy operation. Installation 5: Reminder/Note: Be sure to check the model/size before purchasing. Feature: Center Mounting Hole: 42mm/1.7inch Core Hole: 19mm/0.75inch Choke Hole: 24mm/0.94inch Compatible with: Carburetor fit for 168 Engine Motor Generator Carburetor for Honda GX160 GX168 GX200 5.5HP 6.5HP Engine Carburetor fit for Water Pump Version 16100-ZH8-W61 16100-ZH7-W51 Also suitable for lawn mowers/generators/water pumps and other machines with the same engine model! Here are some reasons why the new carburetor is leaking: 1. Fuel leaks after fitting a new carburetor are usually caused by old residue from the fuel tank getting into the fuel tap. tapered float in the carburetor and preventing it from closing/sealing properly. 2. The second