Spark plug gets gas fouled every cold start

thanks on carb part# what is correct part# for head gasket?

The Brain said:

thanks on carb part# what is correct part# for head gasket?

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I come up with a B&S part #273280S

yeah thats what I came up w/ from parts tree. could a faulty carburater flooding the cylinder create to big of an explosion which ruined the head gasket?
BTW I have a spare carb from orginal engine.but am uncomfortable dissassembleing a carb. I'd rather swap in a replacement but then I'll have to figure out how to adjust. or can I count the # of turns each screw? thanks