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#2102971 - 12/11/10 04:05 PM Does Sta-bil go bad?
dsmith41 Offline


Registered: 03/25/08
Posts: 728
Loc: Kansas City Metro
I have some Sta-bil sitting in my garage and I think it is a year old but it could be older. Anyway, I am putting my bike away for the winter and I am wondering if it is still capable of protecting my gas for the winter months.
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#2102976 - 12/11/10 04:11 PM Re: Does Sta-bil go bad? [Re: dsmith41]
ARCOgraphite Offline


Registered: 05/17/09
Posts: 8361
Loc: N.H, U.S.A.
I think you need to buy some "Stay-Bill" for stabilising the Sta-Bil that you use to stabilise your motorbike gas tank.
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Seriously, I would think its O.K. after a year in a tightly closed container. After three years I might worry a little ( but mainly about why I still have some left ... did I forget to USE it last spring?!.
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#2102991 - 12/11/10 04:33 PM Re: Does Sta-bil go bad? [Re: dsmith41]
Quattro Pete Offline


Registered: 10/30/02
Posts: 24814
Loc: Illinoistan
There is usually an expiration date printed on each stabil bottle.
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#2103000 - 12/11/10 04:39 PM Re: Does Sta-bil go bad? [Re: Quattro Pete]
doitmyself Offline


Registered: 06/03/02
Posts: 4663
Loc: MI
Originally Posted By: Quattro Pete
There is usually an expiration date printed on each stabil bottle.


And, their website FAQ has this to say about the matter:

Q: What is the shelf life of STA-BIL Fuel Stabilizer?
A: 2 years after the bottle has been opened, provided it has been tightly capped and stored in a cool, dry place. If the bottle is never opened and under the original factory seal, than the shelf life is 5 to 6 years from manufacture.

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#2103005 - 12/11/10 04:43 PM Re: Does Sta-bil go bad? [Re: dsmith41]
JHZR2 Offline



Registered: 12/14/02
Posts: 33282
Loc: New Jersey
Yikes! Not very stable in and of itself!

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#2103036 - 12/11/10 05:12 PM Re: Does Sta-bil go bad? [Re: dsmith41]
Quattro Pete Offline


Registered: 10/30/02
Posts: 24814
Loc: Illinoistan
Most OPE manufacturers will tell you not to use fuel older than 90 days anyway, even if Stabil treated.
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#2103394 - 12/12/10 01:58 AM Re: Does Sta-bil go bad? [Re: Quattro Pete]
j_mac Offline


Registered: 12/30/08
Posts: 398
Loc: wv
doitmyself said it right.
The manufacturer says you can use it up to 2 years after the bottle has been opened.

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#2103848 - 12/12/10 02:37 PM Re: Does Sta-bil go bad? [Re: dsmith41]
rslifkin Offline


Registered: 06/27/10
Posts: 2187
Loc: Stamford, CT / Rochester, NY
They say it still only preserves the fuel for a year or so, 2 at the most (with a double dose). So, that shelf life sounds perfectly reasonable.


Edited by rslifkin (12/12/10 02:37 PM)
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