Disclaimer, I am not a mechanic
and watch YouTube videos to try and figure things out.
So I recently received a 2013 Mercury
6hp MFS6CS outboard
. It was briefly inspected by a local outboard
shop and needed a new lower end. I was able to order a new lower end and I installed it.
Since then, the motor
has only been started on a stand with the water
flush hose attached. It ran fine without any issues. After several months I again started the motor
on the stand. I ran it for several minutes before getting ready to change the oil
. The engine
stalled out after 2-3 minutes and I checked the oil
and discovered it had water
inside. I changed the oil and ran it again, for 2-3 minutes and again discovered water inside the oil.
My question is where is the water coming from. My first and only guess was a head gasket
issue. After watching a video I removed the head
. I did not notice anything that jumped out (see pictures). The gasket
appeared in good condition.
So I am confused, and not sure how water is getting into oil. I donít see any cracks and the spark plug
was dry. The top of the cylinder was lightly lubricated, without water. The lifters/push rods had the milky water/oil inside.
Any help would be helpful. I have ordered the new gaskets and plan to put back together unless someone knows another possible cause that I can inspect