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blow back through carb

398 Views 1 Reply 2 Participants Last post by  tomw0
I have a 21 hp kohler engine on 2544 cub cadet and I am getting gas blow back in carb
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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.
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