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 4-Stroke Gaining Oil
#11529787
04/08/16 07:15 PM
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Joined: Jan 2013
Posts: 1,116
taterpop
OP
Extreme Angler
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OP
Extreme Angler
Joined: Jan 2013
Posts: 1,116 |
My 25Hp tohatsu 4-stroke oil level becomes over full after about four months of running and the oil looks very black. What might be the cause of this?
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Re: 4-Stroke Gaining Oil
[Re: taterpop]
#11529911
04/08/16 07:58 PM
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Joined: Oct 2004
Posts: 4,880
BJH ( JUST JIGGING)
TFF Team Angler
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TFF Team Angler
Joined: Oct 2004
Posts: 4,880 |
May be getting fuel in the crankcase!!!!
I would agree with you , but then we would both be WRONG !!!!!
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Re: 4-Stroke Gaining Oil
[Re: taterpop]
#11530081
04/08/16 09:29 PM
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Joined: Aug 2011
Posts: 2,957
Bob Landry
Extreme Angler
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Extreme Angler
Joined: Aug 2011
Posts: 2,957 |
It has to be gas or water. Drain it into a clear container and see if water settles to the bottom.
2015 Seaark 1872 MV CC Etec-90
Two Helix 12 CHIRP SI's, , MinnKota Riptide ST80/i-pilot Link, Bob's Hydraulic
2020 Robalo R200 CC, Yamaha 150
Bitter Gun Owner
Bitter Clinger
Armed Infidel
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Re: 4-Stroke Gaining Oil
[Re: taterpop]
#11531195
04/09/16 04:45 PM
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Joined: Jan 2013
Posts: 1,116
taterpop
OP
Extreme Angler
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OP
Extreme Angler
Joined: Jan 2013
Posts: 1,116 |
I have been leaving the fuel line conected to the motor,could fuel be pushing through the primer bulb?
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Re: 4-Stroke Gaining Oil
[Re: taterpop]
#11531510
04/09/16 10:52 PM
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Joined: Sep 2009
Posts: 3,644
Droyhef
TFF Team Angler
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TFF Team Angler
Joined: Sep 2009
Posts: 3,644 |
No. You either have gas leaking by the rings or you have water from cooling system getting in it. Change your oil into a clear container and look at it. Water will go to the bottom and your oil will likely be milky. You will smell it if it's gas. When you refill do not overfill. Once full any addition can look more pronounced, imagine the neck of a bottle.
Last edited by Dawson Hefner; 04/10/16 01:54 PM.
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Re: 4-Stroke Gaining Oil
[Re: taterpop]
#11531523
04/09/16 11:06 PM
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Joined: Jan 2013
Posts: 1,116
taterpop
OP
Extreme Angler
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OP
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Posts: 1,116 |
Thanks all I will drain the oil and see what's up.
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Re: 4-Stroke Gaining Oil
[Re: taterpop]
#11533697
04/11/16 03:12 AM
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Joined: Jan 2013
Posts: 1,116
taterpop
OP
Extreme Angler
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OP
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Posts: 1,116 |
Would it help if after each run I let the motor run dry of gas ?
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Re: 4-Stroke Gaining Oil
[Re: taterpop]
#11533733
04/11/16 03:37 AM
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Joined: Mar 2014
Posts: 236
D Miner
Outdoorsman
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Outdoorsman
Joined: Mar 2014
Posts: 236 |
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Re: 4-Stroke Gaining Oil
[Re: taterpop]
#11534105
04/11/16 02:17 PM
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Joined: Sep 2009
Posts: 3,644
Droyhef
TFF Team Angler
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TFF Team Angler
Joined: Sep 2009
Posts: 3,644 |
After draining your oil when you go to refill look up the wet capacity of your motor, it will be a little less than dry. An ounce over on that small motor is going to make a big difference on your stick.
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Re: 4-Stroke Gaining Oil
[Re: taterpop]
#11535115
04/11/16 08:27 PM
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Joined: Jan 2013
Posts: 1,116
taterpop
OP
Extreme Angler
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OP
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Posts: 1,116 |
Dawson I fill it, then crank it, and check the oil with the filter full but about three weeks into the change oil is already coming out the top of the dipstick hole.
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Re: 4-Stroke Gaining Oil
[Re: taterpop]
#11535383
04/11/16 10:37 PM
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Joined: Aug 2011
Posts: 2,957
Bob Landry
Extreme Angler
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Extreme Angler
Joined: Aug 2011
Posts: 2,957 |
Did you drain the oil into a glass container as was suggested 8 posts back to determine if you are getting water or gas in the oil?
Unless you are a pretty handy mechanic, the cure is going to be to have a shop fix it anyway. We've given you the two only probabilities.
The longer you run that motor with diluted oil, the closer you get to a repower.
2015 Seaark 1872 MV CC Etec-90
Two Helix 12 CHIRP SI's, , MinnKota Riptide ST80/i-pilot Link, Bob's Hydraulic
2020 Robalo R200 CC, Yamaha 150
Bitter Gun Owner
Bitter Clinger
Armed Infidel
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Re: 4-Stroke Gaining Oil
[Re: taterpop]
#11535820
04/12/16 01:48 AM
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Joined: Jan 2013
Posts: 1,116
taterpop
OP
Extreme Angler
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OP
Extreme Angler
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Posts: 1,116 |
Bob I did drain the oil no water that i could tell but I have only ran it a couple of times on the new oil change. I did notice the old oil seemed thin and extra black.
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Re: 4-Stroke Gaining Oil
[Re: taterpop]
#11535829
04/12/16 01:52 AM
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Joined: Sep 2003
Posts: 5,517
Bruce's
TFF Celebrity
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TFF Celebrity
Joined: Sep 2003
Posts: 5,517 |
bad injector better take it to a shop or your going to spend a bundle
Bruce's Sprinkler Repair
817-798-7246
52 years experience
State Licensed Irrigation
LI0017483
Fishing Texas lakes one at a time
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Re: 4-Stroke Gaining Oil
[Re: taterpop]
#11536467
04/12/16 01:33 PM
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Joined: Dec 2002
Posts: 3,826
Tommy Yetts
TFF Team Angler
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TFF Team Angler
Joined: Dec 2002
Posts: 3,826 |
Do you do a lot of trolling? If your motor is running too cold from an open thermostat then it will not burn all of the fuel and the residual fuel will go to the crankcase! This is not a good thing because it has diluted your oil. If it were water in the oil it would be white.
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Re: 4-Stroke Gaining Oil
[Re: taterpop]
#11536823
04/12/16 04:05 PM
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Joined: Jan 2013
Posts: 1,116
taterpop
OP
Extreme Angler
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OP
Extreme Angler
Joined: Jan 2013
Posts: 1,116 |
Tommy I do alot of running in the summer at night most of it is low to high idle that may be some of my problem.
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