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MadCow 
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Joined: 27 Aug 2023
Location: South Dakota
Points: 146
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 Topic: 190XT Carb Replacement/Rebuild
Posted: 27 Dec 2025 at 9:53pm |
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The carb on my 190XT is missing the idle jet and idle speed screws, at least I'm pretty sure.
Is there a super complete kit that would have these, or is there a better replacement (zenith)?
Edited by MadCow - 27 Dec 2025 at 10:20pm
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DrAllis
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Joined: 12 Sep 2009
Points: 22357
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Posted: 27 Dec 2025 at 10:09pm |
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You have a Holley ?? I'd imagine accurate parts would be difficult to come by, but I could be wrong.
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MadCow
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Location: South Dakota
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Posted: 28 Dec 2025 at 1:25pm |
I guess not. It looked like the manual so I didn't question it. Bendi9c 2-101? Is this worth keeping or is there a better/more standard carb that I can replace it with that'll be more serviceable?  
Edited by MadCow - 28 Dec 2025 at 1:26pm
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DrAllis
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Posted: 28 Dec 2025 at 2:02pm |
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I see the idle mixture screw. It isn't missing. The idle speed screw on the throttle shaft on the back side towards the eng block?? That would be a simple machine screw from a hardware store. An Idle jet ? ?? that's internal... Does the tractor now run ?? The numbers you give are a casting number which means nothing. Zenith 13303 and 62AJ12 do mean something. There is a place called The Carburetor Doctor that can fix you up.
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MadCow
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Location: South Dakota
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Posted: 28 Dec 2025 at 2:32pm |
I guess my issue is I don't know what carb this is so I don't know what screw is which or which direction to turn them. I have no manual. There's this tag on the back? Does that say what carb this is?  I see the main mixture, but no idle mixture. This screw on the front is not a mix screw. Idle adjust may be on the back but I didn't see anything.  It doesn't idle. And doesn't run well. The carb needs rebuilt or replaced. But I can't tell what carb this is, it looked enough like the manual I just assumed it was what the manual said it should be. I'll check the carburetor doctor. Thanks!
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DrAllis
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Posted: 28 Dec 2025 at 4:31pm |
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I told you what it was with the numbers I gave you. The angled adjustment screw is for idle speed mixture and normally is 1 1/2 turns out. The other screw holds the venturi in place and is a nothing burger for you. Main jet is fixed/non-adjustable and is in the bowl. Zenith/Bendix is the brand.
Edited by DrAllis - 28 Dec 2025 at 4:47pm
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MadCow
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Posted: 9 hours 10 minutes ago at 9:48pm |
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Is there a better carb option for these? A Marvel? That's what's on my D15 and 8N and I know them. This one is not giving me confidence I can get it to run right.
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HudCo
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Joined: 29 Jan 2013
Location: Plymouth Utah
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Posted: 8 hours 55 minutes ago at 10:03pm |
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nothing wrong with a zeinith a new carb to replace will cost 500$, seems like used ones are beat to death
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wjohn
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Joined: 19 Jan 2010
Location: KS
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Posted: 7 hours 59 minutes ago at 10:59pm |
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Is that JB weld near the bowl gasket?
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1939 B, 1940 B, 1941 WC, 1951 WD, 1952 CA, 1956 WD-45
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