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Going to tell you guys how to repair Tecumseh lme and lmh carburetor worn throttle shaft holes.


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#1 Tecumseh power OFFLINE  

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Posted October 21, 2016 - 05:50 PM

No need to spend $30 bucks on bushings for these tecumseh carbs. Most of you will be able to do this for free. If your throttle shaft hole is worn on your carb . Take a shot .22mag shell, cut to length of the throttle shaft hole. Drill the hole in the carb with a 1/4" bit. Tap in the bushing you made from your shell. I have found that sometimes depending on the bit , the bushing will not be quite as tight. If this happens you can either leave it be free. It can't come out once the carb is back together or I use clear epoxy and put some on before I push it in. If you measure your 1/4" bits with a caliper you can find one that is going to make the piece you made from the shell tight by using calipers on the shell too. Once you have it in the inside diameter of the bushing may shrink. If this happens drill it with a 7/32" bit. Or you can use a steel brush in a drill with valve grinding compound to get it to where the throttle shaft pivots with no tight spots. You are now done and can re-assemble. Hope this helps some of you guys from tossing good carbs because they are surging.

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Edited by Tecumseh power, October 21, 2016 - 05:58 PM.

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#2 Tecumseh power OFFLINE  

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Posted October 21, 2016 - 06:02 PM

In extreme cases the bottom hole can wear also. This rarely happens , but this can be done on the bottom hole also.
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#3 DH1 ONLINE  

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Posted October 21, 2016 - 06:27 PM

I have more or less done the same thing with a piece of 1/4 soft copper pipe.


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#4 jms180 ONLINE  

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Posted October 21, 2016 - 06:35 PM

Nice piece of work good information


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#5 Tecumseh power OFFLINE  

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Posted October 21, 2016 - 06:37 PM

I have more or less done the same thing with a piece of 1/4 soft copper pipe.


I tried that before but for some reason I can't remember exactly. Something didn't work right

Edited by Tecumseh power, October 21, 2016 - 06:44 PM.


#6 stiemmy OFFLINE  

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Posted October 21, 2016 - 07:08 PM

They make bushings at any size u want!!!!
No offense, but why not go that route?

#7 DH1 ONLINE  

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Posted October 21, 2016 - 07:11 PM

I have more or less done the same thing with a piece of 1/4 soft copper pipe.

 

 

I tried that before but for some reason I can't remember exactly. Something didn't work right

 

I used a rat tail or chainsaw file to fit the inside of the copper to the shaft.


Edited by DH1, October 21, 2016 - 07:11 PM.

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#8 Xrperry ONLINE  

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Posted October 21, 2016 - 09:01 PM

it would give you a good reason to shoot the 22 also


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#9 MFDAC ONLINE  

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Posted October 21, 2016 - 09:36 PM

There's a lot better ideas here than the one i had a few years ago, but it did work well. The throttle shaft was notched badly on my HH120 carb. I had "speedy sleeve" stuck in my mind on how to fix it. I used a broken car antenna tube for the sleeve. The bottom bore seemed fine yet. Drilled the top bore of the carb to the size of the sleeve. Carb was still working good a year ago when i had to part out the engine. I am going to put that carb on the Tech 10HP I have in my MF8E.

 

DAC

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#10 Tecumseh power OFFLINE  

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Posted October 21, 2016 - 10:03 PM

There's a lot better ideas here than the one i had a few years ago, but it did work well. The throttle shaft was notched badly on my HH120 carb. I had "speedy sleeve" stuck in my mind on how to fix it. I used a broken car antenna tube for the sleeve. The bottom bore seemed fine yet. Drilled the top bore of the carb to the size of the sleeve. Carb was still working good a year ago when i had to part out the engine. I am going to put that carb on the Tech 10HP I have in my MF8E.
 
DAC

That isn't a bad idea! A bushing is a bushing. It worked for you!
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#11 MH81 OFFLINE  

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Posted October 21, 2016 - 10:54 PM

A .22 brass. Good idea and lots of those around here and there.
I've bushed a couple carbs. Here is the worst one
http://gardentractor...gt/#entry219175
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#12 Tecumseh power OFFLINE  

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Posted October 22, 2016 - 12:02 AM

A .22 brass. Good idea and lots of those around here and there.
I've bushed a couple carbs. Here is the worst one
http://gardentractor...gt/#entry219175

Make sure to use a .22 mag they are larger in diameter than a regular 22. Good job you did on the ones you fixed. Yes you do have to get creative. I was going to use a .222 but the .22 mag fits the shaft perfect




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