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coggonobrien 
Orange Level Access
Joined: 14 Nov 2010
Location: Eastern Iowa
Points: 1843
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 Topic: 620 720carb
Posted: 13 Jul 2020 at 2:47pm |
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Anybody have a good carb off a cckb 620/720 they would want to donate to the cause? Finally try to get my tractor running with the nos pump motor.
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scott 11224
Bronze Level
Joined: 30 Jun 2013
Location: kokomo, IN.
Points: 10
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Posted: 16 Jul 2020 at 7:58pm |
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I haven't tried it yet but there has been a lot of success with using a $20 carb on e-bay (china) I believe it is for a Kohler 582 twin? I bought one but have not tried it. If you go on facebook you can join the 616,620 and 720 sight, I believe it has some discussion on it.
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coggonobrien
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Joined: 14 Nov 2010
Location: Eastern Iowa
Points: 1843
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Posted: 17 Jul 2020 at 8:08am |
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Ok, I found that page now and the carb they recommend. Does your original carb have a flange adapter bolted to it for the rubber boot to the filter housing?
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scott 11224
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Joined: 30 Jun 2013
Location: kokomo, IN.
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Posted: 17 Jul 2020 at 5:04pm |
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Yes it has the air cleaner hose. Like I said I have not tried it yet but from what I have read the only alteration is to open the air holes. Did you find the article on the FB website?
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coggonobrien
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Joined: 14 Nov 2010
Location: Eastern Iowa
Points: 1843
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Posted: 17 Jul 2020 at 5:18pm |
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I did not see an article
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Bird76Mojo
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Joined: 12 Mar 2015
Location: Illinois
Points: 221
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Posted: 02 Aug 2020 at 11:36am |
I believe this is the carb everyone is using on the conversion. Although it can be found much cheaper on Ebay. https://isavetractors.com/carburetor-for-kohler-k482-k532-engines-18-and-20-hp/Two of the holes on the face have to be opened up to meet the inlet, using a dremel or a file. If you compare it to your stock carb, you'll see which holes we're speaking of. GB :)
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scott 11224
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Joined: 30 Jun 2013
Location: kokomo, IN.
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Posted: 02 Aug 2020 at 1:49pm |
You are correct, I bought mine on E-bay for $25 with shipping.
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scott 11224
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Location: kokomo, IN.
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Posted: 02 Aug 2020 at 1:50pm |
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The article on FB 616,620,720... was by Jesse Grecco.
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Bird76Mojo
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Joined: 12 Mar 2015
Location: Illinois
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Posted: 02 Aug 2020 at 1:58pm |
 scott 11224 wrote:
You are correct, I bought mine on E-bay for $25 with shipping.
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I have read that there are definite quality differences in the Ebay carbs and the Isavetractors version of the carb. I have no experience with this myself just yet. I've also read just how happy the owners are with their tractors after swapping to these carbs. GB :)
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