On Thu, 6 May 2010 11:28:43 -0700, "james" wrote:

I wonder if this is a blown head gasket. If it is, how hard it is to repair
it myself, or how much would it cost to have it repaired?

I doubt the engine would even run with a blown head gasket on a B&S
engine.

Tighten the head bolts, if anything..