Re: Craftsman snow blower not running well.
Basically, pull the sheet metal cover(s) off, remove the rocker cover, remove the pushrods, remove carb and exhaust connections, remove head bolts, remove head.
My 2¢ - running it may do (more) damage. You have to weigh that against the need to use the machine and the time it would take you to repair it. A head gasket isn't very expensive, it's mostly the time to replace it. Plenty of others on here have done it, so they can help. I have never had to do it (yet) on a small OHV engine, although I have done quite a few on flatheads.
Does the new head come with valves, etc? That's a factor in pricing and work.
Repair manuals can be bought, and would be a help.
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2006 Conquest, 54" deck, Vanguard engine