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Boat motor problems diagnosis.

Posted on 1/16/16 at 2:35 pm
Posted by GREENHEAD22
Member since Nov 2009
19595 posts
Posted on 1/16/16 at 2:35 pm
When try to get on plane the low oil alarm comes on,topped off the oil tank however it still does it. Disconnect the battery to try and reset it and still doing it anyone have any ideas
This post was edited on 1/16/16 at 2:37 pm
Posted by Citica8
Duckroost, LA
Member since Dec 2012
3665 posts
Posted on 1/16/16 at 2:47 pm to
Do you have a fuel filter/seperator? Might be full of water. Just throwing it out there without having more information.
Posted by GeeOH
Louisiana
Member since Dec 2013
13376 posts
Posted on 1/16/16 at 2:49 pm to
quote:

Do you have a fuel filter/seperator? Might be full of water. Just throwing it out there without having more information.


Why would that make the "low oil" light come on?
Posted by PillageUrVillage
Mordor
Member since Mar 2011
14784 posts
Posted on 1/16/16 at 3:20 pm to
Oil pump might be going bad, or it could be a bad sensor.
Posted by Kashmir
Member since Dec 2014
7650 posts
Posted on 1/16/16 at 3:21 pm to
thermostat might be clogged up. it happened to me last year way down the homochitto river. called bryans marine and they talked me through the process of cleaning it out.
Posted by Etyger
Baton Rouge
Member since Oct 2007
507 posts
Posted on 1/16/16 at 3:52 pm to
What motor do you have? Does it have an internal and external oil tank?
Posted by Citica8
Duckroost, LA
Member since Dec 2012
3665 posts
Posted on 1/16/16 at 5:29 pm to
He didn't say light he said alarm. On certain Mercury engines the same alarm chime for low oil in auxiliary tank for oil injected motors goes off if the fuel filter seperator gets full of water.

Thanks for your contribution to the discussion though.

ETA - Going back and looking at the forum we went on to find a similar problem you could also have a saturated float in the oil that is not sensing that the tank is indeed full.
This post was edited on 1/16/16 at 5:39 pm
Posted by Duck Bucks and Zero
Member since Jan 2016
62 posts
Posted on 1/16/16 at 5:33 pm to
Unplug sensor try again bet its out of calibration
Posted by Drop4Loss
Birds Eye Of Deaf Valley
Member since Oct 2007
3860 posts
Posted on 1/16/16 at 5:33 pm to
If its just an alarm and naught a lite, It could be from overheating, temp alarm

Peeing good ?
Posted by Duck Bucks and Zero
Member since Jan 2016
62 posts
Posted on 1/16/16 at 5:36 pm to
What is the cadence of the alarm. ...steady beep fast beep brokem beep...different beep means different things...also need to know kinda and hp of motor.. i can help you no doubt
Posted by GREENHEAD22
Member since Nov 2009
19595 posts
Posted on 1/16/16 at 5:39 pm to
It was a continued beep. It was pissing and idling fine.

Not sure what it was, he is going to bring it back to the mechanic, ending our scouting trip before it began.
Posted by Drop4Loss
Birds Eye Of Deaf Valley
Member since Oct 2007
3860 posts
Posted on 1/16/16 at 5:45 pm to
My F-250 is a solid, continuous alarm when it gets hot

Is it continuous or an on off beeping ?

Posted by WPsportsman
In a van down by the river
Member since Jun 2015
2408 posts
Posted on 1/16/16 at 6:05 pm to
thermostat Had a mercury doing this exact same thing took four mechanics to figure out the thermo had a leak in it
Posted by GREENHEAD22
Member since Nov 2009
19595 posts
Posted on 1/16/16 at 6:07 pm to
This is an older model yam 150
Posted by LSU2001
Cut Off, La.
Member since Nov 2007
2388 posts
Posted on 1/16/16 at 6:09 pm to
First thing I do on a motor when I get it is to pull the damn thermostats out. It doesn't get cold enough in Louisiana to have to run a stat.
Posted by Drop4Loss
Birds Eye Of Deaf Valley
Member since Oct 2007
3860 posts
Posted on 1/16/16 at 6:28 pm to
"It doesn't get cold enough in Louisiana to have to run a stat. "

Vewy Interesting...
Posted by jimbeam
University of LSU
Member since Oct 2011
75703 posts
Posted on 1/16/16 at 6:30 pm to
Had a similar issue on a yammy and it was the thermostat
Posted by tilco
Spanish Fort, AL
Member since Nov 2013
13476 posts
Posted on 1/16/16 at 8:12 pm to
If it has a an engine mount oil tank you may need to bleed it.
This post was edited on 1/16/16 at 8:17 pm
Posted by diplip
the Mars Hotel
Member since Jan 2011
897 posts
Posted on 1/16/16 at 9:32 pm to
Do you put something in its place to restrict the flow?
Posted by Capt ST
Hotel California
Member since Aug 2011
12818 posts
Posted on 1/17/16 at 7:31 am to
quote:

This is an older model yam 150


Mix the oil in gas tank.
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