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Cokin' Carbs


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#1 New.Canadian.DB.Owner OFFLINE  

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Posted July 12, 2013 - 08:51 PM

Yup, I Coked a carburetor and I liked it.  Here is the story.

 

The other day my nephew dropped off a dead push mower.  It's as basic as they come. It doesn't even have adjustable wheels.  The engine was a 3.5 hp Tecumseh (LEV80).  It was covered in oil & he claimed it had no spark.  I was going to scrap it but it had excellent compression.

 

IMG_0376.JPG

 

I changed the crankcase breather (I had a spare), set the pickup and changed the plug.  It would run on carb cleaner but nothing more.  When I opened the carb, this is what I found.

 

Before 1a.JPG Before 1b.JPG Before 2a.JPG Before 2b.JPG Before 2c.JPG

 

I was going to soak the carb in CLR but when I got the the store, it was $10 for a jug.  On the way out I spotted a cooler full of Coke.  A light went on & I picked up a 2 Litre jug of Coke Original.  Here is what the carb looked like after 5 days in the stuff.

 

After 1a.JPG After 2b.JPG After 2c.JPG

 

Then I touched it up with a wire brush (not a wire wheel, just a brush).

 

After 3b.JPG After 3c.JPG

 

I bought a new float (old one leaked), and a carb kit (but only used the needle, seat, and bowl gasket).  I thought for sure I'd wasted my time, but it runs.  

 


Edited by New.Canadian.DB.Owner, July 12, 2013 - 09:13 PM.

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#2 HDWildBill ONLINE  

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Posted July 12, 2013 - 09:00 PM

Interesting, I've had a few not quite as bad but not far from that one.  I'll have to keep this in mind.


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#3 Chopperhed OFFLINE  

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Posted July 12, 2013 - 09:05 PM

Cool idea, I knew it worked in toilets, but I never suspected it would work on carbs.

 

A lot of old school Honda guys swear buy boiling carbs in lemon juice. never tried it my self.


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#4 chris m OFFLINE  

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Posted July 12, 2013 - 09:11 PM

Good idea. Now just think what that does in your stomach! :biting_nails:


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#5 JDBrian OFFLINE  

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Posted July 13, 2013 - 05:17 AM

However it works it did a nice job. It's certainly worth a shot if you have the time. Now, if I can only remember to try it! 



#6 HANKG OFFLINE  

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Posted August 30, 2013 - 03:13 PM

IVE NEVER HEARD OF THAT BEFORE BUT THEN AGAIN  THERES LOTS OF THINGS IVE NEVER HEARD OF  BEFORE COOL TRICK THANKS FOR SHARING



#7 AVB OFFLINE  

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Posted August 30, 2013 - 04:46 PM

Cool I just recently did the same but with Pine-Sol. I was impressed with the results. I think it did as well or better than Chemdip.


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#8 LilysDad ONLINE  

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Posted August 30, 2013 - 05:22 PM

Did you use the Pine-sol straight?



#9 AVB OFFLINE  

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Posted August 30, 2013 - 06:20 PM

You can, but I didn't. I also put it over low heat on the stove to speed it up. From what I have read it is supposed to be rubber safe, but it loses its cleaning power after a few days. The carb I was cleaning had some white calcium like build up that it did not remove. I don't know if anything would without eating the carb too.

 

It seemed to cause the bowl gasket to swell, but I soaked it for a couple weeks trying to get the white stuff out. The old fuel crud was gone in about a day though.

 

I can make a new topic with a few pics if yall want. It looks like the coke worked really well too.


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#10 LilysDad ONLINE  

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Posted August 30, 2013 - 07:11 PM

 

 

attachicon.gifIMG_0376.JPG

 

 

I bought a new float (old one leaked), and a carb kit (but only used the needle, seat, and bowl gasket).

If my carb looked like that, I would have pulled the Welch plugs before cleaning, but that's just me.



#11 UncleWillie ONLINE  

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Posted August 30, 2013 - 07:30 PM

The one on my wheeled trimmer looked that bad and after I cleaned it I found that something had eaten thru the bottom of the bowl.



#12 Hammerdown OFFLINE  

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Posted October 08, 2013 - 06:27 AM

Hello

I have used Coca-Cola in the past to free up a frozen engine and it work's well. It takes about three day's for the Coca-Cola to get down around the froze up Piston ring's, Just add it through the spark Plug hole until the cylinder is full of it. Once I break them free with a socket on the crankshaft bolt, I make sure I flush the entire engine good then Place fresh engine oil before starting it up. I have Brought back Four stuck engine's this way it is work's really well. I also have gotten a smoking engine to quit smoking without Taking it apart. Most smoking engine's are caused by sitting around the Piston ring's get stuck and allow Oil to pass by them when the engine is running. I get the engine warmed up then use a complete Can of Carburetor Gum-Out through the Carburetor by Placing the straw down into The Carburetor while at wide open throttle. The Process will Fog you out so it is important to do this chore outside, but I have not had one settle down and quit smoking after doing this process. Regards, Hammerdown


Edited by Hammerdown, October 08, 2013 - 06:28 AM.

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