Kohler Pop

/ Kohler Pop #21  
My 5252 will do this also. I had to reweld the muffler once were it cracked at the pipe to muffer joint. Backfires cannot be good. What I have been doing with good results is to turn the key off and quickly open the throttle to full. The engine wil just die out. No more pops. Just my 2cents.
 
 
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