Overheat - Water drain plug missing?

geno.jeg

Recruit
Joined
May 6, 2018
Messages
2
My OMC overheated yesterday on the river. As we were cruising up-river probably about 10 miles into the trip I noticed a burning smell, turn around and saw some smoke coming from engine. The temp gage was pegged over 250 degrees. After a while the engine cooled down and we were able to get to started, but it was hard to start.

The engineer quickly over-heated again. I noticed water was being pumped out the prop so the impeller was working, but also water was pumped out this hole in the side (see picture). I don't remember seeing water pumped out that hole in the side in the past. The other side of the drive is has a sticker in the same place, which I guess is covering a plug. I am speculating that water is not getting to the engine to cool due to that hole is missing a plug.

So, does anybody know what that hole is there for, and is it supposed to be closed? I am speculating the hole is there to drain the water out of the unit to winterize the boat? I had it winterized last year, and perhaps they forgot to put the plug back?

We ended up being towed back to dock by a friendly boater. This is my second year owning this boat

Thanks
 

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Scott Danforth

Grumpy Vintage Moderator still playing with boats
Staff member
Joined
Jul 23, 2011
Messages
50,809
That plug should never be removed. See the omc information in the stickies.

As for your motor, you will need to replace the exhaust hoses and flappers after you repair the motor
 
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