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Old 06-02-2002, 01:20 AM
2 man crew 2 man crew is offline
LawnSite Senior Member
Join Date: Jun 2001
Location: Minnesota
Posts: 403
kohler surging

I'm having a problem with a Kohler 20hp. When it's running at full throttle it surges and sputters. If I back the throttle down to half it runs fine. I replaced the fuel filter, air filter, spark plugs and cleaned the carb. It still does the same thing at full throttle. I can feather the choke to about half and get it to run ok at full throttle.
Has anyone had this problem? Or know what it might be?
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Old 06-02-2002, 10:03 PM
General Grounds General Grounds is offline
LawnSite Senior Member
Join Date: Jan 2001
Location: Manalapan,nj
Posts: 902
:blob3: 2 man, you can move the govenoer spring, if it is a vertical shaft engine its almost right behind the muffler, use a pair of needle nose pliers and try moving up one hole and see, if not try backing down a hole or 2, tony
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Old 06-03-2002, 12:32 AM
khouse khouse is offline
LawnSite Bronze Member
Join Date: Feb 2001
Location: lee's summit, mo
Posts: 1,480
Clean and blow out the carb with compressed air. The main jet or passage is partially plugged. You don't have a fuel feed or governor problem since you can apply some choke to fix the problem.
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Old 06-03-2002, 09:36 PM
2 man crew 2 man crew is offline
LawnSite Senior Member
Join Date: Jun 2001
Location: Minnesota
Posts: 403
Thanks for the help.
I went to clean the carb again and I noticed the gasket between the carb and engine block was worn. so I used a little gasket seal. Put the carb back on and it ran great. Should work fine untill I get a new gasket.
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