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Old 11-26-2012, 01:28 PM
No Clumps No Clumps is offline
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Join Date: Jun 2009
Location: Burlington,VT.
Posts: 1

Why does my 31hp Kawi backfire when I start it and I mean a big backfire? Never did before this summer.
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Old 11-26-2012, 05:05 PM
Monroe74 Monroe74 is offline
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Join Date: Jan 2006
Location: south central PA
Posts: 321

Fouled plugs maybe? Carb need adjusted?
Just thoughts
Do it better than the last Guy!
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Old 11-26-2012, 05:15 PM
44DCNF 44DCNF is offline
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Join Date: Jul 2007
Location: Northern Illinois
Posts: 1,443
Check choke function, for leaky head gasket, and for loose plug or plug wire.

A plugged carb circuit might cause some misfiring so maybe run some seafoam through if you don't find anything from the above to be the issue.
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