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Tecumseh LME Carburators


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#16 IamSherwood OFFLINE  

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Posted March 27, 2011 - 06:51 PM

[ATTACH=CONFIG]12332[/ATTACH][ATTACH=CONFIG]12333[/ATTACH][ATTACH=CONFIG]12339[/ATTACH]
1st pic is, left K2 kit right Tecumseh kit

All the parts in the Walbro kit fit the LME carbs, no extra parts.
There are 2 Walbro kits K1, K2 depending on which LME carb you have.
Also says in instructions not to turn nozzle or it must be replaced with a new (service) one. I guess I didn't read it good enough before.:wallbanging:


Doug, where are you getting your kits.
I've never had instructions in any kit.

#17 DH1 ONLINE  

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Posted March 27, 2011 - 06:54 PM

Ebay is where I got mine>GENUINE WALBRO LME LMG CARBURETOR REPAIR KIT K2-LMEG - eBay (item 280337703671 end time Apr-13-11 18:25:30 PDT)
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#18 DH1 ONLINE  

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Posted March 27, 2011 - 07:12 PM

:help:
OK here's a question.
How does one go about modifying an original nozzle to look like the service nozzle so it can be put back in and work?
How do you do this without a lathe?

HH 020.jpg
Left original - Right service

#19 NUTNDUN OFFLINE  

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Posted March 27, 2011 - 07:14 PM

:help:
OK here's a question.
How does one go about modifying an original nozzle to look like the service nozzle so it can be put back in and work?
How do you do this without a lathe?

[ATTACH=CONFIG]12343[/ATTACH]
Left original - Right service


Why not chuck it up in a drill or die grinder and use a small file?
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#20 NUTNDUN OFFLINE  

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Posted March 27, 2011 - 07:14 PM

Why not chuck it up in a drill or die grinder and use a small file?


I am actually going to try this on my next one. It sounds like the 12H I just bought will need some carb work and I will try it out on that one :D

#21 DH1 ONLINE  

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Posted March 27, 2011 - 07:16 PM

Why not chuck it up in a drill or die grinder and use a small file?


You and me think alike, anybody else got any ideas?

#22 NUTNDUN OFFLINE  

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Posted March 27, 2011 - 07:19 PM

I was just looking at the comparison pics again, I don't think you would have to go as deep as the service nozzle is cut either. Would be awesome to have a lathe though, even if it is just one of those small ones. Might have to quit buying tractors and start buying more tools LOL.

#23 olcowhand ONLINE  

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Posted March 27, 2011 - 07:26 PM

:help:
OK here's a question.
How does one go about modifying an original nozzle to look like the service nozzle so it can be put back in and work?
How do you do this without a lathe?

[ATTACH=CONFIG]12343[/ATTACH]
Left original - Right service


That's strange, the one in pic left is LH threaded, while the one on the right is RH threaded????

#24 NUTNDUN OFFLINE  

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Posted March 27, 2011 - 07:31 PM

That's strange, the one in pic left is LH threaded, while the one on the right is RH threaded????


Me thinks it might be an optical illusion. The one on the left seems to be a little more boogered up.

#25 olcowhand ONLINE  

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Posted March 27, 2011 - 07:32 PM

That's strange, the one in pic left is LH threaded, while the one on the right is RH threaded????


Strike that...looking real close, it's a shadowing effect making threads appear at opposite slant. Knew I had to be seeing something wrong! lol

#26 DH1 ONLINE  

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Posted March 27, 2011 - 07:38 PM

That's strange, the one in pic left is LH threaded, while the one on the right is RH threaded????


I see what your saying, I just tried them in the same carb and there both right hand threads. Must be the shadows??? the sun was coming in the window from the right when I took the pictures.

#27 IamSherwood OFFLINE  

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Posted March 28, 2011 - 09:27 AM

Brother just altered a nozzle for me on his lathe. Undercut only enough to get rid
of the threads. We'll see how that works later today.

Word of caution.
First attempt he chucked up the nozzle on the small tip.
Not very strong there. (it was a spare)
So be careful with that die grinder.

Posted Image

Luckily the groves in the chuck jaws where deep enough, and he was able to
hold the nozzle on the main body on his second attempt.

Also, a picture out of the MF10/12 service manual.

Posted Image

Or, here is an option.

Walbro LME Service Nozzle
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#28 olcowhand ONLINE  

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Posted March 28, 2011 - 10:46 AM

I was thinking how easy it would be for a cutter to dig in & break the tube off. A small jeweler's lathe with a small live center would be perfect for such a job.

#29 DH1 ONLINE  

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Posted March 28, 2011 - 03:14 PM

How did you find that carb site? That's good to know a little $$$ but they have the stuff.
I measured the area that is under cut in the threads on the service nozzle I have and its the same dia. as the narrow part that has the small holes in it, .186"

#30 IamSherwood OFFLINE  

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Posted March 28, 2011 - 04:29 PM

How did you find that carb site? That's good to know a little $$$ but they have the stuff.
I measured the area that is under cut in the threads on the service nozzle I have and its the same dia. as the narrow part that has the small holes in it, .186"



This morning I googled "Walbro LME Nozzle", and there it was.

I put the altered nozzle into the LME 27, and back on the MF12H.
It's never ran so good.
Had to tweak the governor as per manual, and the the high speed jet once I got
the air filter on, but what a difference.




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