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Jun 23, 2013 #1
J
jeepfxr
I just got this Scotts rider and the engine really smokes when it finally does start. Are these OHV engines known for bad valve guides and is it worth doing anything with.? The machine is a 42" cut and is super clean otherwise. Thanks .
Jun 23, 2013 #2
I
ILENGINE
I would put money on a blown head gasket and not the valve guides, which are a minor inconvenience if a problem at all.
Jun 23, 2013 #3
J
jeepfxr
Thanks , That is where I will start then. Do you know what a good compression reading would be ?
Jun 23, 2013 #4
I
ILENGINE
90 should be a minimum, I like to see 110 plus,
Jun 23, 2013 #5
J
jeepfxr
Okay better than 90 PSI compression. I'll check that first. Thanks again.
