Mariner 30HP Jet (40EOJET30) bottom cylinder full of oil

bma4843

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Apr 29, 2011
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So I have owned this boat for a few years now, it has a 30HP Mariner Jet on it (1999 I believe) I have always noticed a small oil leak in the cowling when sitting. Recently it has gotten worse. Went to start it this weekend and it would not turn over. Pulled the plugs and the bottom cylinder was full of oil. Cleared it out and put the plug back in and it started no problem but smoked awhile until it fully cleared out. let it sit a few days and same thing bottom cylinder full of oil. I have no idea where to start, any ideas? Thanks for your help.
 
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