STA-BIL Small Engine Pro Multi-System Additive - Protects Against Ethanol - Cleans Carb and Injectors - Improves Engine Efficiency - Lubricates Valves and Pistons, 16 fl. oz. (22305)

Name: STA-BIL Small Engine Pro Multi-System Additive - Protects Against Ethanol - Cleans Carb and Injectors - Improves Engine Efficiency - Lubricates Valves and Pistons, 16 fl. oz. (22305)
Brand: STA-BIL
Price: 9.99 USD
Availability: InStock
Rating: 4.6 (897 reviews)

Small Engine Pro is our everything bottle for outdoor power: one additive that cleans the fuel system, steadies the fuel between uses and shields against ethanol damage in the same pour.

It suits the real rhythm of yard equipment — bursts of work, weeks of waiting — where the line between 'in season' and 'in storage' blurs every month.

$9.99

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The one bottle for the whole back shed.

Three jobs, one pour

Cleaning, stabilization and ethanol defense without juggling bottles.

Made for the waiting game

Covers equipment that works Saturday and sleeps the rest of the week.

Whole-fleet friendly

Mower, trimmer, blower, chainsaw — gas two-stroke or four, one bottle serves.

The simplifier

If the shed only keeps one additive, this is the one that covers the most.

From the label

Clean and improve your fuel system with Small Engine Pro, a gasoline/oil additive that helps restore lost engine power and performance, by cleaning out gum and varnish
Keeps internal engine components lubricated and free, providing longevity to internal engine parts
With optimal lubrication and cleaning, this formula effectively quiets noisy engines
Protects Against Ethanol - Corrosion Inhibitors provide the ultimate protection against the harmful effects of Ethanol
Safe for use in all gas powered small engine equipment including lawn mowers, trimmers, chainsaws, pressure washers, edgers, snow blowers, generators and more!

The paperwork

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Owners, word for word

5.0

My 11yo Husqvarna walk behind mower ran terribly due to my local gas(ethanol mix) till I started adding this to the gas now it starts on the first pull and runs great!!!
doug dally

5.0

A short story long---LOL---My zero turn started acting quirky-it would not run at full power and would begin to stall when put under a full load - like trying to mow some taller or thicker grass- never did stall since I would immediately kill the mower but obviously it was not right. I checked and changed the fuel filters-this one has 2 . One in the pick up line in the tank and one is inline just before the fuel pump unit. No help! So, before I dropped the big bucks to have the local farm dealer come and pick it up (at $75 per pickup and return) plus h=whatever shop charges that would result I thought "What the heck, lets give this stuff a try" I gambled $6 . I put in 5 ounces for the 5 gallons tank, and filled it with the gas I had on hand- should have been relatively fresh gas -no more than 2 weeks since pumped . Well, whatever the cause of the issue within about 15 to 30 minutes of low speed running- mostly at idle - the engine seemed to be idling smoothly as opposed to before where it surged but never died, I gave it a try at mowing. YEA!!!! full power and no bogging down - I finished mowing the yard and a part of the pasture (not yet grown up much so it is not requiring the rotary cutter YET) My only guess is perhaps a batch of either old gas or some water in the gas can or mower tank but whatever the cause it fixed it --and all for $6.
Gary0529