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#11
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Ok....motor is frozen. pulled the heads..found some corrosion is port lower cylinder...soaked with Marvel x 1 week...wont budge even with a socket and breaker bar on the flywheel not...tried electric impact as well...doesnt move.
Carb/intake look clean...gonna pull the intake and take a look at crank/bearings Ive built several auto v8's over the years, but not an outboard: 1987 Evinrude 140 looper..(200hrs) open to ideas and suggestions.....Mike 
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#12
06-03-2016, 12:22 PM
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Did you let it sit all this time without getting it up and running?
If so you are motor shopping
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#13
06-03-2016, 12:48 PM
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Roller bearings typically won't lock one up. Stuck rings is my guess. You will have a lot to do if water made it into the crankcase to say the least. I am in agreement with Smoke, you are motor shopping at this point. If you had the time to pickle the engine before layup you had a chance of saving her. Now, you still can, but lots of dirty work and effort. Last rebuild kit for my 90 Johnrude was around $900, including all the bearings new... Bearings are a little pricey. The crankshaft won't survive with much rust on journals, and there is no such thing as oversize bearings on the crank, so it could be junk as well. Polishing may fix it up but I wouldn't count on it. You need to go ahead and pull the front half of that motor apart. Remove carbs and reed plate so you can see what the crank and rods look like. That will be the determining factor. You may have gotten lucky and only one piston is stuck. Find out which one and beat the crap out of it with a hammer. Making sure she isn't all the way at the bottom of the stroke first ... On that motor, the piston could be removed and replaced without taking the motor 100% apart. Just watch for all the needle bearings when you start taking the rod caps off. They are not caged and will go everywhere. Don't use a magnet to pick them up if you plan to reuse. (I have always heard this but don't remember why) Picture or two, I want to see the carnage.
__________________
 1996 -19' NV Flats 115 Mercury 4-stroke 1983 -20' Wellcraft Center Console 250 XS
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#14
06-03-2016, 08:47 PM
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Salt water will rust tupperware. Hate to say it but dont throw a bunch of money into a chunk of rust and corrosion. You can find a decent running engine for less. Do what Ridge said and go from there.
__________________
1985 Wellcraft V-20, Evinrude ETEC 150: SOLD 1979 Marine Trader 44, twin Ford Lehman 120s 2006 Panga 14, Tohatsu 20
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#15
06-04-2016, 09:40 AM
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Thanks for the replies...Im gonna at least pull it down and see...no lucking searching for a clean used one....
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#16
06-04-2016, 03:29 PM
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Absolutely take it down. You may have gotten lucky/unlucky. If that lower cylinder is the only one. I never read where it went totally under. If not perhaps the wiring isn't going to need replacing.
I can't decide if I am cheering you up or full on kicking you in the gnutz. Sorry about your luck. Remembering back to the initial repair, you couldn't get to the repair from the inside of the hull, correct?
__________________
1996 -19' NV Flats 115 Mercury 4-stroke 1983 -20' Wellcraft Center Console 250 XS
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