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Lower unit
#12393229
08/20/17 04:04 AM
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Joined: Aug 2017
Posts: 30
logan.chadwell
OP
Outdoorsman
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OP
Outdoorsman
Joined: Aug 2017
Posts: 30 |
Just got my first boat when we stored it and put the trim down oil drops out of the lower unit. Can you help me out what is the problem?
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Re: Lower unit
[Re: logan.chadwell]
#12393350
08/20/17 12:17 PM
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Joined: May 2003
Posts: 11,586
gary purdy
TFF Guru
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TFF Guru
Joined: May 2003
Posts: 11,586 |
Compare the drip with the lower oil. Johnsons and Evinrudes are known for dripping residual oil mixed with gas when stored.
The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD
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Re: Lower unit
[Re: logan.chadwell]
#12395015
08/21/17 07:25 PM
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Joined: Oct 2016
Posts: 536
Bulletman99
Pro Angler
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Pro Angler
Joined: Oct 2016
Posts: 536 |
You have to determine if it is LU gear oil or just residual fuel/oil mix. Remove the LU drain plug and let a little out and check the color. If its a uniform oily color no water has entered the case. If it is a milky/frothy color water has entered and the seals need to be replaced. Oil can still seep out without water entering the case. Remove the prop and leave the motor tilted down with a bucket, cardboard or something clean underneath for a couple days. You should be able to tell if it's gear oil or residual un-burnt fuel/oil mix.
Option 2 is to take it to a shop and have them do a pressure test of the lower unit. Test and simple seal replacement should be around $150-$200.
Bullet 20XD Merc 250 ProXS
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Re: Lower unit
[Re: logan.chadwell]
#12395693
08/22/17 02:50 AM
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Joined: Nov 2002
Posts: 4,439
Gamblinman
TFF Team Angler
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TFF Team Angler
Joined: Nov 2002
Posts: 4,439 |
Smell it..gas and oil smell like gas. Gear or trim fluid stinks.
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Re: Lower unit
[Re: logan.chadwell]
#12395814
08/22/17 04:49 AM
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Joined: Jul 2014
Posts: 4,349
Bobby Milam
TFF Team Angler
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TFF Team Angler
Joined: Jul 2014
Posts: 4,349 |
My oil reservoir is on my motor and it is notorious for leaky lid seal. If I fill mine and tilt it forward oil will leak out, come out bottom of motor and run down the shaft. Scared me when I first saw it. Now I know never fill more than 3/4. Might be something simple. To check the lower unit, loosen the bottom screw until oil starts to run out. If it has been sitting water will separate and be the first thing to come out. If it has been run lately and it hasn't been separated, it will come out milky.
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Re: Lower unit
[Re: gary purdy]
#12395935
08/22/17 12:35 PM
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Joined: Mar 2003
Posts: 1,349
scruboak
Extreme Angler
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Extreme Angler
Joined: Mar 2003
Posts: 1,349 |
my 150 does that from under cowl all the way down but its old like me ..
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