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Author Topic: Yet another gx390 (clone) question/issue  (Read 551 times)

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Offline btulloh

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Yet another gx390 (clone) question/issue
« on: November 07, 2017, 04:44:04 PM »
Someone gave me a predator clone of a gx390 or 420.  It needed some general tlc and new gas tank but it's running well now and driving a 7500 gen head for me. After thoroughly cleaning the gooked up carburetor it's running very rich. I can't find a mixture adust anywhere.  Am I just missing it? Do I have to change the jet?  Anyone have a clue on that?  Thanks
HM126

Offline sawguy21

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Re: Yet another gx390 (clone) question/issue
« Reply #1 on: November 07, 2017, 10:31:35 PM »
If it is like the Honda carb it will have a removable emulsion tube above the jet. Remove it and make sure the tiny air bleed holes are clear.
old age and treachery will always overcome youth and enthusiasm

Offline btulloh

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Re: Yet another gx390 (clone) question/issue
« Reply #2 on: November 07, 2017, 11:00:38 PM »
Thanks.  That sounds like the culprit.  This carb was full of goop. I probably didn't get those holes clean.
HM126

Offline Kbeitz

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Re: Yet another gx390 (clone) question/issue
« Reply #3 on: November 08, 2017, 07:35:40 AM »
The Gov. took those screws away from us...
Collector and builder of many things.
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Offline whitepine2

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Re: Yet another gx390 (clone) question/issue
« Reply #4 on: November 13, 2017, 01:03:32 PM »
The Gov. took those screws away from us...

  That ain't all they took from us!

Online starmac

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Re: Yet another gx390 (clone) question/issue
« Reply #5 on: November 15, 2017, 01:27:50 AM »
Well now we know where they got the screws to put to us.
Old LT40HD, old log truck, old MM forklift, and several huskies.


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