charlie chitlins Posted August 18, 2013 Report Share Posted August 18, 2013 I get it adjusted, then, sometime later, it rises or drops. Sometimes it changes/surges at idle. Crank seals? Quote Link to comment Share on other sites More sharing options...
thats_a_five Posted August 18, 2013 Report Share Posted August 18, 2013 It does sound like a vacuum leak. Crank seals, intake gasket, cracked reed, gunk in pilot jet from ethanol fuel? I would start with the things that are easy to check. Quote Link to comment Share on other sites More sharing options...
copemech Posted August 18, 2013 Report Share Posted August 18, 2013 Very likely! If your Buterator is Carbodinkibg correctly! Quote Link to comment Share on other sites More sharing options...
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