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you can use half a can if you want to!
you can use half a can if you want to!
Just did this exact thing this past week, didn't smoke and didn't hurt a thing.There is no harm in dumping a full can of Sea Foam in a 5 or 6 gallon fuel tank.
Even at 100% Sea Foam, it will not damage carburetor parts.
So, if you need to clean something, just pour in a full can in the first fuel tank and drive it out.
That will let you know if the carbs really need a hard cleaning by hand.