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Techumseh Snowblower Surging

J. C. Stevens's Avatar
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02-21-05, 03:18 PM   #1  
J. C. Stevens
Techumseh Snowblower Surging

I have a 139 CC Tecumseh Snowblower that is surging. So far I have taken the Carb apart and cleaned and blew it out. Drained and replaced Gas and replaced the plug. Any idea what I've missed or what I should try next?


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zzzz1486's Avatar

Join Date: Feb 2005
Posts: 335

02-26-05, 10:05 PM   #2  

on the carb right before the engine there may be a piece of metal that can rotate 45 degrees connected to butterfly valve in the carb there should be a wore going from something by the fly wheel to that piece of metal. that helps regulate the rpms

supertech's Avatar

Join Date: Jan 2005
Posts: 189

02-27-05, 10:33 PM   #3  

If you can remove the surge at high speed by applying some choke--guess what? Not enough fuel. That means the carb is blocked somewhere--First open the main jet more----if that fails----try opening the idle jet more (on the side) that might smooth it out. If not--still dirty.


puey61's Avatar

Join Date: Apr 2004
Posts: 3,224

02-28-05, 10:18 AM   #4  
JC and all concerned/curious:
Look for this subject, started by JC Stevens, in the ATV's, Snowmobiles, etc. forum.

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