What Causes a Carburetor to Drip Oil?

[AshleyRose]

The reasons for a carburetor dripping oil: 1. The main fuel needle is stuck by foreign objects, causing the fuel level to continuously rise and leak. 2. The float needle valve is worn and does not close tightly. 3. Impurities in the gasoline cause the float needle valve to stick and not close tightly. 4. The float is damaged or stuck and cannot rise. 5. The carburetor's bottom drain screw is loose. Solutions for a carburetor dripping oil: 1. Disassemble the carburetor, clean the float chamber and main fuel needle and its valve. 2. Replace the needle valve. 3. Replace the float. 4. The repair method for a carburetor leaking oil depends on the specific cause of the leak.