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Haven't run my boat in over 6 months...

Posted on 2/14/11 at 1:07 pm
Posted by TheSurge
The Keg
Member since Nov 2009
183 posts
Posted on 2/14/11 at 1:07 pm
Are there any additives I can add to my gas to breakup condensation build ups?
This post was edited on 2/14/11 at 1:11 pm
Posted by 4X4DEMON
NWLA
Member since Dec 2007
11957 posts
Posted on 2/14/11 at 1:07 pm to
wanna sell it?
Posted by TheSurge
The Keg
Member since Nov 2009
183 posts
Posted on 2/14/11 at 1:09 pm to
Sorry, nope.
Posted by KLSU
Baton Rouge
Member since Sep 2003
10283 posts
Posted on 2/14/11 at 1:10 pm to
To late!
Posted by 4X4DEMON
NWLA
Member since Dec 2007
11957 posts
Posted on 2/14/11 at 1:12 pm to
Well in that case, cleaning it up is a must. I'm pretty sure that just running and additive wont help you much. It's gonna take some manual cleaning. Always store with stabil and this is less of a risk.
Posted by TexasTiger
Katy TX
Member since Sep 2003
5324 posts
Posted on 2/14/11 at 1:13 pm to
It may still be useable, but if I had to guess you are going to have issues. Been there done that have the bill to prove it.

Stable and seafoam are good things to use next time.

Carb Clean out and tune up are probably what you are looking at. Plus any extra charges for getting rid of the old fuel.
Posted by TheSurge
The Keg
Member since Nov 2009
183 posts
Posted on 2/14/11 at 1:17 pm to
Thanks
Posted by HECKFIRE
Member since Jan 2011
461 posts
Posted on 2/14/11 at 1:20 pm to
Seafoam may help, but if it's a new motor, the jets are probably too small to really be able to simply flush it out. try it first tho, and continue to add it to your gas every once in awhile
Posted by charlied
Lafayette
Member since Dec 2007
3822 posts
Posted on 2/14/11 at 2:03 pm to
first get rid of the old gas,syphon it out. Then put marine stabil at the ratio recommended and use NON-ETHANOL fuel. A double dose of the recommended ratio of techron would help too. Seafoam is good but it doesn't work as well if you let it sit in the tank for months instead of burning the fuel because of it's chemical makeup.Merc and Yammy both market a decarb but both are basically techron and techron is a lot cheaper.
Posted by bayoudude
Member since Dec 2007
24947 posts
Posted on 2/14/11 at 2:05 pm to
It should be OK I have let a mud boat sit for longer and it still ran. If there is any fuel missing I would top it off then go run the piss out of it.
Posted by charlied
Lafayette
Member since Dec 2007
3822 posts
Posted on 2/14/11 at 2:05 pm to
is the engine carbed or fuel injected?
Posted by Prolate Spheroid
surface of revolution
Member since Apr 2008
2247 posts
Posted on 2/14/11 at 3:21 pm to
quote:

Haven't run my boat in over 6 months...


Are there any additives I can add to my gas to breakup condensation build ups


I am told ethanol is what is killing boat engines. I tried seafoam (recommended by the board) this year and have run mine several times. No problems. Mine is also a cocktail cruiser so I can't run the engine wide open enough to do what fishing boats can.
Posted by thedice20
Member since May 1926
Member since Aug 2008
7550 posts
Posted on 2/14/11 at 4:33 pm to
quote:

first get rid of the old gas,syphon it out. Then put marine stabil at the ratio recommended and use NON-ETHANOL fuel. A double dose of the recommended ratio of techron would help too. Seafoam is good but it doesn't work as well if you let it sit in the tank for months instead of burning the fuel because of it's chemical makeup.Merc and Yammy both market a decarb but both are basically techron and techron is a lot cheaper.


I second this process.
I do this with my gas if it has sat for longer than 2 months without a stabilizer in it.

I just did it this weekend. Syphoned the gas out. and put seafoam in tank with a full tank of ETHANOL FREE fuel. This weekend I will be
running the whole tank through the boat. Start easy. Idle and put around for 15-20 minutes. The start to open her up. Run her for a couple hours.
Almost like a mini break in.

It may not be totally necessary, but i like to baby my 1999 year 115 mariner.
Posted by dawgfan1979
Red hills of Jawja
Member since Jul 2010
6431 posts
Posted on 2/14/11 at 6:00 pm to
Must be nice to have access to ethanol free fuel. Here in Georgia I haven't found any.

I always put the blue stabil in my tank no matter how long it sits just to fight off the ethanol issues. Seems to be ok so far.
Posted by Geauxtiga
No man's land
Member since Jan 2008
34377 posts
Posted on 2/14/11 at 6:18 pm to
This post was edited on 2/14/11 at 6:28 pm
Posted by Drop4Loss
Birds Eye Of Deaf Valley
Member since Oct 2007
3849 posts
Posted on 2/14/11 at 6:49 pm to
SEafoam is for decarbing, carbon buildup in the cylinders. It is not a fuel treatment or a real additive.

If your carbed, spray the jets and run at the house before ya go. Should be fine.

If injected, jus make sure ya got good gas and a charged battery...
Posted by COLONELCAT
Southeast LA
Member since Dec 2010
57 posts
Posted on 2/14/11 at 8:35 pm to
Where do they sell ethanol free fuel around the BR/Gonzales area???
Posted by lsu mike
Gonzales
Member since Sep 2006
8580 posts
Posted on 2/14/11 at 9:47 pm to
There is one little gas station down on Black Bayou in Gonzales that last I heard sold ethanol free gas. Somewhere on rodnreel or louisiana sportsman there is a link to find stations that sell it all across LA.

And Surge like others said get your gas tank drained then refill with the marine sta-bil and premium gas if you can't get ethanol free. Had it done to my boat in May and it runs fine.
This post was edited on 2/14/11 at 9:50 pm
Posted by jsmoke222000
Lake Charles
Member since Oct 2007
6201 posts
Posted on 2/14/11 at 10:01 pm to
Here is a link to all the gas stations that sell 100% gas around Big Lake:

LINK

Here is a list for the entire state:

LINK
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