6 Common Reasons Why Your Small Engine Leaking Gas – Hipa
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6 Common Reasons Why Your Small Engine Leaking Gas

by HIPA Jeremy 18 Nov 2022 0 Comments


Small engine leaking gas? This blog provides information on how to troubleshoot a small engine and the most likely defective parts associated with this problem.

Reasons

If your small engine is leaking gas, here are the top 6 most probable causes.

1.Worn carburetor bowl gasket
If the leak appears to be coming from the carburetor, it is likely that the carburetor bowl gasket is worn out or missing. You can replace the gasket with a new one to solve the problem.

2.Defective float assembly
Various float assembly components inside the carburetor bowl can be defective as well. The float needle opens and closes the float valve to allow fuel to enter the bowl. If the float needle or the float itself is damaged, the carburetor may continue to fill with fuel until it overflows. You should be able to stop the leaking by replacing one or more of these components

3.Leaking fuel line
One or more of the fuel lines may have developed a leak. You should replace the fuel line with a new one instead of attempting to repair the old line.

4.Damaged fuel tank
The engine’s fuel tank could be damaged as well. If the tank has a crack or a small hole, you should replace it instead of trying to repair it.

5.Brittle primer bulb
The primer bulb draws fuel through the carburetor when pushed to prime the engine when first starting. Over time, the rubber can become brittle and crack, causing the bulb to leak gas. Installing a new primer bulb will fix the problem.

6.Cracked carburetor
Over time, the carburetor itself may develop cracks due to vibration and the heat of the engine and begin to leak gas. You should inspect the carburetor for cracks or corrosion and replace it with the new one if necessary.

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