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Re: Fuel in oil - where to start?
I don't know the MB10A at all
Wish I could say the same...
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 contamination...like 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.
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1975 Irwin 28 - hasn't earned a new name yet, but at this point it might not be flattering.