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Weed Eater Lawn mower leaking gas

If your Weed Eater lawn mower leaking gas is leaving fuel under the machine or you see gas leaking from the bottom of the lawn mower, the problem is usually in the carburetor area. The most common cause is a dried-out or missing carburetor bowl gasket, especially when the lawn mower gas leak is coming from the bottom of the carburetor. Next, check the float needle, since a worn or damaged needle can fail to shut off fuel and let the carburetor overflow. A bad carburetor gasket is another likely source of a mower leaking fuel, followed by a cracked primer bulb that seeps gas when pressed. If those parts look good, inspect the fuel shut-off solenoid and its fuel lines for leaks, then check whether the carburetor float is stuck open. In many cases, cleaning the carburetor helps, but if the float or internal parts are worn, a rebuild or full carburetor replacement may be the better fix. Enter your Weed Eater model number on RepairClinic.com to find the exact carburetor bowl gasket, float needle, primer bulb, fuel shut-off solenoid, carburetor gasket, or other replacement part that fits your mower.

01 - Weed Eater Carburetor Bowl Gasket

If the lawn mower leaks gas the carburetor bowl gasket on the bottom of the carburetor might be dried out or missing. If the leak is coming from the bottom of the carburetor, try replacing the carburetor bowl gasket.
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02 - Weed Eater Float Needle

The float needle might not be shutting off the fuel. The float needle opens and closes the float valve to allow fuel to enter the float bowl. If the float needle is damaged, the carburetor will continue to fill with fuel until it overflows. If the float needle is defective, replace it.
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03 - Weed Eater Carburetor Gasket

If fuel is leaking from the bottom of the carburetor, the carburetor gasket might be dried out or missing.
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04 - Weed Eater Primer Bulb

Over time, the rubber of the primer bulb can become brittle and cracked. If the primer bulb is leaking, replace it. Don't try to patch or repair it.
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05 - Weed Eater Fuel Shut-Off Solenoid

Check the fuel shut-off valve for leaks, and ensure that the fuel lines fit tightly on the valve. If the fuel shut-off solenoid is leaking, replace it. In addition, inspect the fuel shut off lines for cracks or tiny holes. If a fuel shut-off line is leaking, replace it.
Highly Likely

06 - Weed Eater Float

The float might be stuck open. If the float is stuck open, remove the carburetor assembly from the engine and clean it thoroughly. If the cleaning the carburetor is not effective, either rebuild or replace the carburetor.
Highly Likely

Frequently Asked Questions

Why is my Weed Eater lawn mower leaking gas from the bottom of the carburetor?
Can a bad primer bulb cause a lawn mower gas leak?
How do I fix a Weed Eater mower carburetor leaking gas?
What should I check if my Weed Eater mower is leaking near the fuel shut-off solenoid?
How do I find the right gas leak part for my Weed Eater lawn mower?