Oday 25 saildrive leak: Caulk?

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Alan Johnson

This question is applicalbe to anyone with an inboard. I have an Oday 25 with a rebuilt OMC sail drive. I have discovered a small leak at the base of my engine. Yesterday the ring around the base of the engine was full and there was about two inches in the bottom bellow that where the water spilled over. I sucked and sponged it out, and today it was back. I am not sure yet if it is coming through at the gasket/seal or not. I do know that a very small leak is coming through above the gasket, in the area of the gear shift mechanism. (sorry I can't be more specific, I was sailing all day and my mind is mushy.) I dabbed some silicone on that spot (it is very small) and will check it tomorrow. I am planning to pull the boat this fall and do some major work, so I am wondering if caulk of some sort would be advisable for the next few months to get me through the sailing season. If so, does anyone have a suggestion about what type of caulk, where, etc. Thanks for any and all thoughts. Alan
 
Jun 2, 2004
1,438
Oday 25 pittsburgh
Not sure how this plays in...

I know there is alot of old sail drives that the lower cylinder failed. The problem was water. I sure hope that someone clarifies this. r.w.landau
 
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bruce cornell

OMC sail drive

yahoo has a omc saildrive site with lots of info, parts, and people to talk to about the saildrive.
 
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Alan Johnson

OMC Yahoo page

Thanks Bruce, I read that page regularly and posted the same question over there. I got some ideas and I think I'm on the right track. My silicone dab appears to be working, although I think I'll try some epoxy or 3M marine glue on the crack, which is so small I can't see it. Hopefully I can make it through the season before I have to haul her out and do some real work. Ahhh BOATS (Bring Out Another Thousand!):) Alan
 
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