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10-oz 2-cycle or 4-cycle engines Fuel Additive

Ratings & Reviews for STA-BIL 10-oz 2-cycle or 4-cycle engines Fuel Additive

4.8
339
Review
 4.8 out of 5
340 Reviews


96% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

The product is effective at preventing fuel degradation and corrosion, helping engines start easily and run smoothly after storage. It works well across a wide range of gas-powered equipment, improving performance, idling, and throttle response. The product is particularly useful for protecting against the negative effects of ethanol-blended fuels. It is easy to use and cost-effective, making it a highly recommended maintenance solution for keeping engines running reliably.

Customer review summary generated by AI, including incentivized reviews.
340 Customer Reviews

Works as advertised

Would Recommend

Worked as described, helps keep gas stable over winter

May 12, 2026
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Fragile bottle, neck snapped when opening

Would Recommend

This fuel additive ran through all my machines clean as a whistle with easy start ups after initial use, even after sub-par winter storage. Warning: trying to push and turn the child resistant cap caused the neck to bend completely and snapped open at the seam spilling it all over my hands and shed floor. Loses stars for that.

May 10, 2026
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Fantastic additive

Would Recommend

Works great to keep my engine running smoothly

May 4, 2026
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Tom

Would Recommend

My mower is running much better with this fuel stabilizer in the gasoline mixture .

May 3, 2026
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Ok

Works year round.

May 2, 2026
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Not for cleaning carb, more for storing

Would Recommend

Thought this would help clean out carburetor, is more for over winter storage

April 26, 2026
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Use regularly

Would Recommend

Best thing to keep your mowers and trimmers in top working order year round

April 24, 2026
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Always read instructions on the bottles

Would Recommend

I've used it for years and never had any issues restarting my equipment in the Spring - no matter how cold or icy the winter was.

April 23, 2026
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Good qualities

Would Recommend

It truly keeps your gas stable throughout the winters. Makes the engines run smootherand a little quieter.

April 23, 2026
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Works as advertised

Would Recommend

Works as advertised.

April 20, 2026
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Very important product to use

Would Recommend

Works great

April 17, 2026
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Maintaining your mower

Would Recommend

Tree simple just poured it in according to how much gas and you’re good to go keeps your lawnmower running smoothly.

April 16, 2026
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Works

Would Recommend

Seems to work

April 8, 2026
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Fuel Additive

Would Recommend

Just pour into you gas container. Very easy to use. Use and ounce per 5 gallons.

April 7, 2026
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A Little Goes a Long Way

Would Recommend

A little goes a long way, this bottle will last for a while.

March 31, 2026
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Nothing

Would Recommend

Good product

March 27, 2026
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