Quote:
Originally Posted by scratchee
Do you know the compression in the cylinders? Milky oil and moisture could mean a ruptured head gasket between those two cylinders with issues. That could also account for the dirty thermostat. You can get an inexpensive compression tester online, or borrow one from an auto parts store. It's an easy test to do.
I recommend you start a new thread on this issue.
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Thank you for your reply and a suggestion. Now that I've been on this forum for few days I see that I should have probably started with oil changes and a compression test. What we did was to pull out the engine from the boat to take a look at it closer in a garage...
The moisture in 1,2 cyl is an ongoing issue that was fixed temporarily couple years ago by a local mechanic and now looks like it's back and I have some ideas on what is causing this which I will share in relevant Discussion Topics threads