With the limited information supplied, I would suggest checking the intake valve, valve spring, and freedom of the valve in the guide. Engines that are running lean have more tendency to backfire through the carburetor. I do not know why.
tom
tom
blow back through carb
I have a 21 hp kohler engine on 2544 cub cadet and I am getting gas blow back in carb
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1 - 1 of 2 Posts
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