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Kohler cv725s engine is running rich at idle

Cleaned carb and it runs but runs rich at idle and no adjustment screw.

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

wadembly
  • 448 Answers

SOURCE: have a 1996 mtd 18.5 hp 46 inch deck riding

it sounds like the needle screw could be bent at the tip if not try turning the screw all the way in & out 1-1/2 turns & try that if i can help further let me know thanks wade

Posted on Jul 05, 2009

backwoodsctr
  • 169 Answers

SOURCE: Kohler engine carburetor adjustment on John Deere Model 112

When u adj a kohler carb you adj fuel not air. Always adj the high speed then low speed. Then adj the curb idle. 1.5 turns out is a good starting point. Then tweak it after its warmed up. Hope this helps

Posted on Nov 20, 2009

rwvanlue
  • 486 Answers

SOURCE: I have a Snapper yard cruiser with a 15HP Kohler

Correct that there are no adjustments, but try cleaning the carb jets first, as many times a small amount of debris in the fuel can cause a performance problem. A replacement carb will be close to $200, and NO carbs will be adjustable. A gasket kit is available if you need. Contact your local Briggs dealer to procure the part.

Try cleaning the jets first.
Fuel Starvation - Float Bowl Carburetor
1) remove air filter assembly
*be cautious of tearing the mounting gasket. If it does tear, you HAVE to replace it. It is part of the priming system
2) remove the float bowl fastener. This is the main jet
3) carefully remove the float bowl, the rubber o-ring/gasket will not be able to be used if it is removed, you WILL have to replace it
4) using a spray 'carb cleaner'
spray up thru the center of the carburetor
spray and clean the main jet with cleaner and 'tag' wire
(tag wire is very thin, and can be used to clean the hole in the center of the main jet)
5) clean any debris from inside the bowl or carb body
6) re-install bowl and center bolt, air filter assembly

*if you need gaskets, your Briggs dealer can supply. The kit is cheaper than individual gaskets, and all the parts needed to finish the above repair are in the kit.

Posted on Nov 21, 2009

  • 2 Answers

SOURCE: 14 hp kohler engine (Cv14s 1451) runs good for 5

I had this issue on my 14hp kohler and it was the ignition module. Would run until it heated up then shut down.

Posted on May 18, 2010

suzukiracing
  • 200 Answers

SOURCE: nikki carb runs real lean engine runs rough pops

Try turning the mixture screw up a little or if nothing else ive heard of the plug that goes into the carb nees to have the long needle trimmed to the height of the shorter needle in the plug

Posted on Jul 19, 2010

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