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#21
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As a quick update, the prop spins freely while in neutral, clockwise in forward, but not at all while in reverse.
I'm surprised there's not a gasket between these parts... just some kinda black silicone around the edges. 
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#22
12-19-2011, 05:34 PM
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Some pictures of the portside, which did not look quite as bad.
Last edited by awthacker; 12-19-2011 at 06:41 PM.
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#23
12-19-2011, 05:38 PM
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And the starboard side again. One area of significant pitting on the edge of a cylinder and a pretty chewed up gasket around this fitting... what is this (looks like some kind of sensor to me)?
Last edited by awthacker; 12-19-2011 at 09:21 PM.
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#24
12-20-2011, 07:56 AM
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Hope you guys don't mind me bumping this thread back up. I need some advice on what to do now that I've opened up the heads and found some nastiness inside.
I would summarize the options as: A) start the rebuild process and hope I learn something and not completely destroy my engine, or B) bring it to a mechanic for a rebuild. Maybe rebuild is not what I need, but I'm not sure how I can get all this crud cleaned out without completely tearing it down, and I'm also not sure that I've found the source of the corrosion. I'm now guessing that the fitting I thought looked like a sensor is actually some kind of water jet/nipple for the cooling system and maybe the bad o-ring on it led to saltwater throughout the heads?
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#25
12-20-2011, 05:27 PM
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pull the power head, take it apart, if you find the crankshaft rusted, your wasting your time with it, move on to the next power head
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#26
12-20-2011, 06:12 PM
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Hate to say it but-
It Looks rusty and crusty. Could Deep Creep (blue in color if I remember right) have washed the 2 stroke oil away and caused it to rust the bore? Not familiar with it.
I agree with Spare, if the crank is rusty, move on. There should have been some head gaskets when the heads came off. Those heads look to be pitted, if it was into recently someone might have tried to silicone the pitting.
__________________
 1996 -19' NV Flats 115 Mercury 4-stroke 1983 -20' Wellcraft Center Console 250 XS
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#27
12-20-2011, 06:16 PM
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ok so I 'spose there MIGHT be other problems besides the 3 I posted
 I'll add that before having it rebuilt, get a quote. Then shop around, you just might be able to buy a better newer motor for the cost of the rebuild.
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#28
12-20-2011, 07:30 PM
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Quote:
I thought that was odd to not have gaskets. There is an o-ring at each cylinder, but only black silicone around the edge of the head. There is a bit of pitting. I guess its pretty bad in a couple spots. Sounds like I may have gotten hose on the eBay engine from Jupiter? The seller was a police officer who appeared to deal in used marine engines on the side. I paid $2500 for it last February.
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#29
12-20-2011, 09:16 PM
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Those motors use o-rings for sealing the heads, if there was silicone on them, I guess some one had patched it.
I got a 200 John rude I'll sell ya cheap if you can find a lower unit for it
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#30
12-20-2011, 10:06 PM
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Quote:
Plan A will be to find out how bad the damage is. Am I going to need to buy a shop crane to get to the crankshaft?
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