WD 40 primed thru 2 stroke for long storage ?

jekjr

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Penetrating oil maybe but definitely not WD 40. WD 40 is a water dispersant not really a good lubricant. It will wash the oil out of the engine and if anything I believe do it more harm than good.

I know you can clean a gun with WD 40 and within days the barrels will be rusting.
 

cpurvis

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Penetrating oil maybe but definitely not WD 40. WD 40 is a water dispersant not really a good lubricant. It will wash the oil out of the engine and if anything I believe do it more harm than good.

I know you can clean a gun with WD 40 and within days the barrels will be rusting.

I used WD-40 on guns, but no longer. Never noticed any rust but surfaces where the WD-40 didn't get wiped off would have a gummy, dirt-holding residue.
 

7394

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"gummy, dirt-holding residue".

Certainly not a good thing.
 

deminin

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I've had good results on items in storage by adding a small amount of Sta-Bil to the fuel, and running the engine a few minutes before letting it sit idle for weeks/months. But, then, even when I have something sitting idle for the Winter, etc., I still fire it up every month or two and let it run for 5 minutes. Mowers, trimmers, generator, chainsaws, log splitter, garden tiller, etc....I keep them all "exercised" a bit...that way, when it comes time to use them, I can usually count on them working without spending hours of fiddling and rebuilding. About the Only "tool" I use year round is my Kubota tractor, and I add a small amount of diesel fuel stabilizer to it with each tank full.
 

7394

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I've had good results on items in storage by adding a small amount of Sta-Bil to the fuel, and running the engine a few minutes before letting it sit idle for weeks/months. But, then, even when I have something sitting idle for the Winter, etc., I still fire it up every month or two and let it run for 5 minutes. Mowers, trimmers, generator, chainsaws, log splitter, garden tiller, etc....I keep them all "exercised" a bit...that way, when it comes time to use them, I can usually count on them working without spending hours of fiddling and rebuilding. About the Only "tool" I use year round is my Kubota tractor, and I add a small amount of diesel fuel stabilizer to it with each tank full.

Read the fine print on a bottle of Sta-Bil, it has a shelf life of only 2 years once the bottle is opened. After that it gets sticky & useless. And as a stabilizer is only supposed to be good for 1 year.

I don't like to run my stuff for such short intervals during storage, it doesn't get hot or run long enough to burn out the condensation.

Seafoam* is what my Dad used & I have been using it ever since, almost 50 years now.
 

deminin

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Read the fine print on a bottle of Sta-Bil, it has a shelf life of only 2 years once the bottle is opened. After that it gets sticky & useless. And as a stabilizer is only supposed to be good for 1 year.

I don't like to run my stuff for such short intervals during storage, it doesn't get hot or run long enough to burn out the condensation.

Seafoam* is what my Dad used & I have been using it ever since, almost 50 years now.

To each his own...this routine has been working for me, for years. If you like Seafoam, use it.
 

7394

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Thank You. Not trying to pizz ya off.

FWIW: I was just trying to let you know once you open Sta-Bil, might wanna write the date on that bottle, cause it will go bad.
 

deminin

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Thank You. Not trying to pizz ya off.

FWIW: I was just trying to let you know once you open Sta-Bil, might wanna write the date on that bottle, cause it will go bad.

I just buy a small bottle...enough for one Winters use...nothing lasts forever. I make sure that I use any spare gas by just putting it in the car or truck after it sits for more than a couple of months, and keep enough fresh gas to run my stuff for a few minutes every few weeks. We have a local gas station that has Ethanol free Premium gas, and that's all I run in my Stihl chainsaws....the extra 25 cents/gallon saves needless repairs, IMO. Knock Wood...I haven't had to rebuild or replace a carburetor in years.
 

7394

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That's all I use as well, 100% gas. 87 octane in my mowers & in my wacker & blower I use 93 octane, 2 stroke mix & 1 ounce of Seafoam.

Seafoam (after opening) can sit on the shelf for 20 years & not go bad. For stabilizing, good for 2 years.
 

cpurvis

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According to the Seafoam SDS, it is composed of a proprietary 'hydrocarbon blend' and isopropanol, i.e., alcohol. The alcohol content is specified as "less than 25% by weight."

You do realize you're going to the trouble of buying alcohol-free gasoline, only to add alcohol back in with Seafoam?

I could not find what the composition of the 'hydrocarbon blend' is but unless I miss my guess, it's petroleum distillates (aka, kerosene) mixed with naptha (lighter fluid) or xylene, (paint thinner), all of which are deliberately excluded from gasoline by the refineries.
 
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