Prevent unmetered air from leaning out your air-fuel mixture with the genuine Honda OEM Carburetor Base Gasket (16221-Z6L-000). This premium, heat-resilient gasket paper seals the high-vacuum joint between the carburetor assembly body and the engine intake path. It fills micro-imperfections in the metal mating surfaces, preventing vacuum leaks that cause erratic idling and engine backfiring.

Engine Compatibility

Fits Honda GX630, GX660, GX690, and equivalent V-Twin models.

Application Guide

Clean off old gasket residue completely before installing. Never reuse old, compressed gaskets when re-mounting a carburetor.

OEM Part Number

Replaces part number 16221-Z6L-000.