About to buy this product, but I need to know if it will work with what I want to try it with?

I have a sport ATV its a 2001 Honda 300ex that a neighbor said to put Steel Seal in it will seal my cracks and holes in my top end, thus stopping the smoking that is coming out of my top end. My top end smokes profusely after its been running for a minute. Will steel seal work in my Honda 300ex? If not, does anyone know how to stop the smoking of my top end? Thank you.

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