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reviving a submerged outboard motor? #4568214
11/08/17 08:28 PM
11/08/17 08:28 PM
Joined: Nov 2009
Posts: 4,941
Houston, Texas
motor_oil_madman Online content OP
motor_oil_madman  Online Content OP
Joined: Nov 2009
Posts: 4,941
Houston, Texas
Unfortunately my boat sank today, so it's been a bad today. The good news is I don't have much in this boat, but it's been well cared for mechanically. Cosmetically it could use a wax job.

I took it to a local dealer and they're supposed pickle the motor and give me an assessment. I'd say the boat was worth about $3-4000 not sure what it's worth now. I'm worried it's never going to work right again since it sank in salt water.

What do you guys think? It's a 91 model but was in great shape mechanically until today.

Last edited by motor_oil_madman; 11/08/17 08:29 PM.

2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.

Re: reviving a submerged outboard motor? [Re: motor_oil_madman] #4568219
11/08/17 08:34 PM
11/08/17 08:34 PM
Joined: Jan 2017
Posts: 1,294
Toronna
maxdustington Offline
maxdustington  Offline
Joined: Jan 2017
Posts: 1,294
Toronna
I would have dumped the oil and tried to fire it up right away. If you are not doing any of the work yourself it is going to cost a fortune.


03 Jetta AWP/09A 200k kms
Edge 0W40 + Mann 719/30
Re: reviving a submerged outboard motor? [Re: motor_oil_madman] #4568222
11/08/17 08:36 PM
11/08/17 08:36 PM
Joined: Aug 2008
Posts: 18,322
Ontario, Canada
StevieC Online content
StevieC  Online Content
Joined: Aug 2008
Posts: 18,322
Ontario, Canada
Fresh water wouldn't have been so bad but Salt water is another story. I would definitely be inspecting everything and flushing the engine well.


'18 Highlander - AMSOIL SS 0w20 / ATF / Severe Gear
'06 Santa Fe - 535,000km AMSOIL SS 0w30 / ATF (R.I.P)
Re: reviving a submerged outboard motor? [Re: motor_oil_madman] #4568225
11/08/17 08:38 PM
11/08/17 08:38 PM
Joined: Jul 2008
Posts: 456
Maryland USA
rubberchicken Offline
rubberchicken  Offline
Joined: Jul 2008
Posts: 456
Maryland USA
What engine ? 2 stroke or 4 stroke, make, model etc. If they pickle it fast, even in salt water it could make a 100% (ok 99%) recovery. Do you have insurance on it ?

Re: reviving a submerged outboard motor? [Re: motor_oil_madman] #4568244
11/08/17 08:55 PM
11/08/17 08:55 PM
Joined: Nov 2009
Posts: 4,941
Houston, Texas
motor_oil_madman Online content OP
motor_oil_madman  Online Content OP
Joined: Nov 2009
Posts: 4,941
Houston, Texas
It's a 1991 2 stroke Johnson looper model 140hp. The shop made it sound like they should be able to get it up and running by tomorrow or the next day, but won't know what kind of electrical gremlins might show up. I don't see how it would start without taking the carbs apart though.


2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.

Re: reviving a submerged outboard motor? [Re: motor_oil_madman] #4568264
11/08/17 09:08 PM
11/08/17 09:08 PM
Joined: May 2009
Posts: 5,417
Canada
expat Offline
expat  Offline
Joined: May 2009
Posts: 5,417
Canada
Dump it in fresh water ASAP, while it sits, buy a gallon of two of alcohol. Drain the engine then fill and flush through carbs and spark plugs a few times with the alcohol.
Remove and drain the float chamber on the carbs.

Drain for half an hour add gas and start it up.

Last edited by expat; 11/08/17 09:10 PM.
Re: reviving a submerged outboard motor? [Re: motor_oil_madman] #4568267
11/08/17 09:09 PM
11/08/17 09:09 PM
Joined: Jan 2011
Posts: 2,941
PV Az
AZjeff Offline
AZjeff  Offline
Joined: Jan 2011
Posts: 2,941
PV Az
How did you sink a boat? There must be plenty of ways but you didn't mention any other damage like a hole in the bottom...


86 Samurai 1.3 leftovers
14 RAV4 2.5 5W-20 PP
16 Silverado 1500 4.3, DI, AFM 5W-30 PP

The most important thing to do in your life is to not interfere with someone else's life. - Frank Zappa

Re: reviving a submerged outboard motor? [Re: AZjeff] #4568278
11/08/17 09:20 PM
11/08/17 09:20 PM
Joined: Sep 2010
Posts: 6,987
Texas
4WD Offline
4WD  Offline
Joined: Sep 2010
Posts: 6,987
Texas
Surely not:


Re: reviving a submerged outboard motor? [Re: expat] #4568285
11/08/17 09:25 PM
11/08/17 09:25 PM
Joined: Nov 2009
Posts: 4,941
Houston, Texas
motor_oil_madman Online content OP
motor_oil_madman  Online Content OP
Joined: Nov 2009
Posts: 4,941
Houston, Texas
Originally Posted By: expat
Dump it in fresh water ASAP, while it sits, buy a gallon of two of alcohol. Drain the engine then fill and flush through carbs and spark plugs a few times with the alcohol.
Remove and drain the float chamber on the carbs.

Drain for half an hour add gas and start it up.


This is what worries me is the shop is going to pickle it today, but won't be able to assess what elese is wrong until tomorrow, so all that's going to happen is the crankshaft is going to start rusting. Unless it gets enough oil when they spin it over. I doubt it, but maybe.


2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.

Re: reviving a submerged outboard motor? [Re: motor_oil_madman] #4568295
11/08/17 09:30 PM
11/08/17 09:30 PM
Joined: Dec 2015
Posts: 334
Ohio
Dorian Offline
Dorian  Offline
Joined: Dec 2015
Posts: 334
Ohio
It can be done! My neighbor did it one evening and had it running a few hours later.


15 Camry Hybrid SE 48K 0W20 Kendall bulk
14.5 Camry SE 2AR 0W20 M1 AFE 44K (Mom's)
98 Chevy Prizm 1ZZ M1 AFE 0W30 148K (Brother's)
Re: reviving a submerged outboard motor? [Re: Dorian] #4568301
11/08/17 09:35 PM
11/08/17 09:35 PM
Joined: Nov 2009
Posts: 4,941
Houston, Texas
motor_oil_madman Online content OP
motor_oil_madman  Online Content OP
Joined: Nov 2009
Posts: 4,941
Houston, Texas
Originally Posted By: Dorian
It can be done! My neighbor did it one evening and had it running a few hours later.


Maybe they will be able to. They sounded pretty optimistic about being able to have it running by tomorrow, Friday at the latest.


2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.

Re: reviving a submerged outboard motor? [Re: motor_oil_madman] #4568321
11/08/17 10:01 PM
11/08/17 10:01 PM
Joined: Nov 2009
Posts: 4,941
Houston, Texas
motor_oil_madman Online content OP
motor_oil_madman  Online Content OP
Joined: Nov 2009
Posts: 4,941
Houston, Texas
You can fill up the crankcase area on a two stroke right? Because the fuel gets sucked into the crankcase on a two stroke to lubricate the crank bearings since instead of valves like on a four stroke it has ports for the intake and exhaust, so assuming I'm correct my concern about the crankshaft being exposed would be incorrect since that should be able to be filled with diesel fuel or whatever lubricant they use for this procedure. Am I wrong?


2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.

Re: reviving a submerged outboard motor? [Re: motor_oil_madman] #4568362
11/08/17 10:38 PM
11/08/17 10:38 PM
Joined: Sep 2015
Posts: 5,845
Kalifornia Kollective
BrocLuno Offline
BrocLuno  Offline
Joined: Sep 2015
Posts: 5,845
Kalifornia Kollective
IF you used good oil and plenty of it before the sinking, that engine should survive ... OMC 2-strokes are pretty hardy. Many folks have different approaches. but the big deal is to get the water out and oil and heat in.

I worked at a marine outboard shop many years ago. All salt water. We got engines running all the time after sinking. Just gotta get after it. Delays hurt ...


Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.
Re: reviving a submerged outboard motor? [Re: motor_oil_madman] #4568364
11/08/17 10:39 PM
11/08/17 10:39 PM
Joined: May 2009
Posts: 5,417
Canada
expat Offline
expat  Offline
Joined: May 2009
Posts: 5,417
Canada
You are right, just fill the crankcase. But do it ASAP.

Simultaneous post ;-)

Last edited by expat; 11/08/17 10:41 PM.
Re: reviving a submerged outboard motor? [Re: motor_oil_madman] #4568369
11/08/17 10:41 PM
11/08/17 10:41 PM
Joined: Jun 2014
Posts: 1,968
IL
Vern_in_IL Offline
Vern_in_IL  Offline
Joined: Jun 2014
Posts: 1,968
IL
Quote:
1991 2 stroke Johnson


Al Gore will hunt you down and kill you if he catches you using a 2 stroke engined apparatus.... crazy

Last edited by Vern_in_IL; 11/08/17 10:43 PM.
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