Re: Stumped…AGAIN, 1962 OMC 10hp

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May 22, 2016 at 1:47 pm #36961
Don
Participant

    US Member

    At this point, I would take Mumbles’ advice. Locate exact leak area, use the die grinder and epoxy sealer. The engine runs so nice, would be a shame to pull it down again. It is possible that the block is slightly porous, and the leak has nothing to do with your sealing job. I know my 10hps leave a pretty good oil sheen on the water, but I just attribute that to the 16:1 mix I use. You already pulled the powerhead back off once, correct? Did you replace the shift lever oring? Go ahead and use some heavy duty sealer on those mount bolts like Mumbles says….