submerged evinrude 175

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racerx

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my motor is a 92 evinrude 175. it was submerged and is siezed. i am somewhat mechanicaly inclined but i have no experience with out boards other than the basic maintnence. i have not the money to repower right now so repair is my only option. i appreciate any and all help. here are some pics.tx

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are these relays for my tilt/trim?
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your motor doesn't look bad at all to have been under. get some oil in those holes quickly. MMO would be best in the spray type if you can find it and spray down the cylinder walls and get the other head off and oil her as well. then open the carb butterflysand spray those fullof oil too.
 
i poured mmo in plug holes about two weeks ago. guess i should pull off other head and clean up all 6? you think the crank bearings will be allright? i dont wanna pull the motor apart that far. but, on the other hand, i only wanna fix it once. and what are those relays on top left of motor? are they for tilt/ trim?tx
 
most likely thay are ok but not sure, but you may need to pull it apart hone lightly and then just use new rings. But you will need to get those holes oiled asap to stop rust. and then try to get it to turn. may need to put a breaker bar on the flywheel nut and get the motor to turn over. I've beaten a Mercury's Crank with a hammer to get loose once, once it can loose the motor ran fine afterwards. goes to show you never know.
 
Once you've got all them oiled then take the cover off the top of the flywheel and get a wrench on it and try to get it turning. Once it starts to turn work it back and forth and keep oiling till it finally turns all the way around. Yeah those relays are for your Tilt /Trim
 
hey skools, when i took cover off of flywheel i was expecting to find a large bolt like on my 79. not so, instead there is a little bitty bolt. and six more little one around the flywheel holding it on. i am afraid that if i torque on them they will break. what should i do?
 
no, never got it to turn. nothing to grab on to. i broke the center bolt, tapped it out, broke another one! tried vice grips on top of crank, removed flywheel first, but it just kept slipping. thinking i might stop by welding shop tomorow and get them to weld a piece of pipe to the flywheel so i will have something to turn. cant think of anything else.
 
don't mess up the fly wheel or crank, i'll get you some pic of my homemade flywheel rig for holding while removing the center nut.
 
that would be great. at this point i am on a mission. this motor will turn! iworked on it all day today, stayed home from work, and am to the point where i am willing to trash this flywheel and buy another. hell, i even considered dynamite during the hottest part of the day!
 
i hate to ask this but do you have any pistons about half way in the middle of it's stroke? if so CAREFULLY take a piece of wood and put it on the piston and hit with a hammer some to see if the motor will turn. if you have more than one in the midle of a stroke rotate around the motor tapping them to try and get her loose. don't go wild knocking holes in the piston. post a pic of your flywheel so i can see if my rig type would work too. Your top hole in the pics is on the botton don't beat it, the other 2 look like ones to use but look at the other side too.
 
i tried that yesterday. willpost pic as soon as i find my camera. gotta be here somewhere!
 
hows this for ingenuity?

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i drilled and tapped a couple of holes in the flywheel, then bolted a piece of flat bar to it so i could try and turn the motor. yanked on it for about 5 or 10 seconds and she broke free! prob so ez cause it has been soakin in mmo for a month. worked till it turned free all the way around. it was pushin some nasty lookin brown fluid out so i just kept sprayin MMO in the carbs and turnin till it was just clean MMO coming out. she turn free and smooth now! one thing, when the bottom starboard piston goes back in, when it passes the port hole in the wall it makes a sucking sound. i dont know if this is good, bad, insignificant. at any rate, what ya think skoolz? carbs next? should i get some 400 grit and soapy water, roll the pistons all the way in and 'hone' the cylinders? no race tomorow so i should have a little time to play. tx
 
mommy thinks you should worry less about the boats and jeeps and concentrate a little more on the yard and painting the house!

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but, i think you should take apart the starter, clean it out real good with some water, put it back together and spin the motor over and make sure you get all that nasty crap outta there. speakin of nasty crap, i better go find mommy cause thats HER job!
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the sucking is good sound. means the piston is sealing andthe reeds are too. can't hone with the pistons in her you'd never get all the crap out of the cylinders. just keep the cylinders oiled and put a good starter on her and spin it alot without the heads on it and keep spraying oil on the cylinders while it spins over.
 
took the starter off and took it apart. didnt look bad but i hit it wiyh the water hose anyway and let it dry. was on front porch putting it back together when some dude lost his trailer right in front of my house. i dropped everything and went to street to see if anyone was hurt. came back and one of those little springs is gone. apparently never to be seen again. any idea where to find one?
 
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