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Old 07-02-2013
Skagit Skagit is offline
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Re: Fuel in oil - where to start?

Originally Posted by hellosailor View Post
I don't know the MB10A at all
Wish I could say the same...

Originally Posted by hellosailor View Post

But if there's gross fuel contamination, I'm come back to looking at the rings. A compression test, and a leak-down test, to see what's really going on.
It's officially gross fuel recoil from the smell of fuel on the dip stick gross fuel contamination. Compression check came in good...95/105 (factory new is 107).

Another thought I had...I haven't busted out my level, but it appears to me that the carb is lower than the bottom of the fuel tank. I wonder if fuel is slowly flowing through the carb and pooling...gravity wins every time, right? The spark plug threads were wet with fuel when I did the compression test and the engine hadn't run in two weeks.
--Skagit out
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1975 Irwin 28 - hasn't earned a new name yet, but at this point it might not be flattering.
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