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93 merc 99another

When I went to look at my moto

When I went to look at my motors the 9.9 had an oil spot in the driveway from where water drips out of the prop. I store the boat with both motors in the down position and have not seen this before. Does this have something to do with the coughing while running? I asked about that in a post yesterday. Thanks in advance.
 
"oil is just exhaust coming ou

"oil is just exhaust coming out the prop, some of the oil/carbon didn't burn off. Coughing or sneezing is a sign of running lean, probable dirty carb from sitting."
 
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