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Tecumseh LME Carburators


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#31 IamSherwood OFFLINE  

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Posted March 28, 2011 - 06:07 PM

Also, just a note.
Had to chase the thread on the nozzle with a 5/16-24nf die, after it was undercut in the lathe.
Also ran a tap up into the carb body to clear the crap out of the threads.

#32 NUTNDUN OFFLINE  

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Posted March 28, 2011 - 06:25 PM

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.


That is awesome to hear it worked. Will have to try some alternative methods then because I think I have two of them that need work.

#33 IamSherwood OFFLINE  

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Posted March 28, 2011 - 06:34 PM

I just pulled another one apart. Original nozzle. Couldn't even find the hole in the threads, till I wire brushed, and sprayed
with carb cleaner. And then took a fine wire to clean out the orfice.

#34 IamSherwood OFFLINE  

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Posted March 28, 2011 - 06:44 PM

That is awesome to hear it worked. Will have to try some alternative methods then because I think I have two of them that need work.


I think, that if one was really careful, you could put enough of a groove in the nozzle
just using a dremel, with a small bit. The groove doesn't have to go all the way around.
Just create a notch big enough, because the nozzle will end up seating fairly close to the original cross drilling. So notch, about 45 degrees in either direction. Might be
enough.

Kinda hard to explain in type, but I hope I got my thought across.

#35 IamSherwood OFFLINE  

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Posted March 29, 2011 - 10:01 AM

I think this method should work as an alternative for those that
don't have a lathe.
Using my damaged/useless nozzle I tried this.

Found 2 -5/16" x24nf nuts.
Took a 5/16" flat washer, and cut part of it off with a hacksaw.
Put the washer in a vise.
With the nuts acting as guides, on either side of the tiny hole, just snugged
up on the washer. Holding the nozzle, with a slight twist, started at it with
the edge of the small flat file.

Not the prettiest thing, but I think it would get the job done. And
it's a controlled landing as opposed to a dremel tool damaging threads
by mistake.
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#36 DH1 ONLINE  

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Posted March 29, 2011 - 03:43 PM

That would work, controls the spot where you want to file the nozzle down.:thumbs:
Good stuff.

#37 NUTNDUN OFFLINE  

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Posted March 29, 2011 - 04:29 PM

I agree that would definitely work. I think I am going to buy a service nozzle or two just to have on hand but it would be nice to make any regular nozzles that you may already have into service nozzles for future use.

#38 IamSherwood OFFLINE  

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Posted April 05, 2011 - 04:24 PM

What is the significance of the # of the LME carb?
There is many different #'s on the LME carbs.
Is it a version #, and if so, are some better than others?

#39 DH1 ONLINE  

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Posted April 05, 2011 - 04:39 PM

What is the significance of the # of the LME carb?
There is many different #'s on the LME carbs.
Is it a version #, and if so, are some better than others?


I don't know what the #s mean but I notice 2 different venturie sizes that can be seen with the eye on the carbs I have.

#40 IamSherwood OFFLINE  

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Posted April 05, 2011 - 06:26 PM

This HH100 idle down issue is really stumping me.
I'm gong to pull the carb off the hh120, and try it.

#41 DH1 ONLINE  

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Posted April 05, 2011 - 07:23 PM

This HH100 idle down issue is really stumping me.
I'm gong to pull the carb off the hh120, and try it.


That's the best thing to do will tell you where the trouble is, carb or engine.




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