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Jan 23rd, 2013
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Oil pump repair Mercury pro xs 250 2012 #13618671 07/04/20 02:05 PM
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Zebco1961 Offline OP
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First thing. Thank you in advance for information that is correct ( no I heard it from a friend that heard it from a friend that drove by a bass boat one time)
I have a 2012 250 pro xs. I removed one of the black rubber lines ( shown in pic).
My question is. Do I have to have the pump primed after removing this hose?
I have seen posts on BBC concerning replacement of pump O rings and needing to then have pump primed.
But did not know if re- prime is necessary if only 1 hose had been disconnected?
Thanks again [Linked Image]

Last edited by Zebco1961; 07/04/20 03:36 PM.
Re: Fuel pump [Re: Zebco1961] #13618694 07/04/20 02:28 PM
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T Bird Offline
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First off that's the oil pump your referencing. I would recommend priming the pump after disconnecting a hose.

You can prime the pump using the "shift switch activation procedure", but by doing this, the outboard resets to break-in mode, which means you will be using a bit extra oil for a few hours. Make sure your oil reservoirs are both full, and you have a fully charged battery. With the kill switch in the ON position, turn the key to ON position(do not crank engine). Move the shift lever from neutral to fwd 5 times. This must be done within 5 seconds of turning the key to ON.




Last edited by T Bird; 07/04/20 02:32 PM.

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Re: Fuel pump [Re: Zebco1961] #13618803 07/04/20 03:32 PM
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Zebco1961 Offline OP
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Sorry I knew it was oil pump. Miss spoke. I have now taken it apart seeing that an O ring can cause the leak ( BBC and YouTube). [Linked Image]
I do not see a o ring this far. I am guessing further disassemble require ? And if yes, what else comes apart to find o ring?

Re: Fuel pump [Re: T Bird] #13618807 07/04/20 03:33 PM
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Zebco1961 Offline OP
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Ty tbird. Good info. I am trying to fix oil leak on the pump itself. Below find posted pics and info

Re: Fuel pump [Re: Zebco1961] #13618876 07/04/20 04:34 PM
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T Bird Offline
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This should give you all the info you need to do the job. Since you opened up the pump, I suggest you have a reputable dealer bleed the pump and oil system. You'll need to look on line and find a seal kit.

http://www.bbcboards.net/showthread.php?t=700203&page=3


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Re: Fuel pump [Re: Zebco1961] #13618880 07/04/20 04:49 PM
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T Bird Offline
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If you have problems finding a seal kit call this guy. Looks like they put their own seal kit together.



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Re: Fuel pump [Re: T Bird] #13618894 07/04/20 05:15 PM
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Zebco1961 Offline OP
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[Linked Image]
Got it this far. Now what? No o ring yet. Not sure how to get that plate off? You can tell it is wampus jawed in there.

Last edited by Zebco1961; 07/04/20 05:38 PM.
Re: Fuel pump [Re: T Bird] #13618895 07/04/20 05:16 PM
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Zebco1961 Offline OP
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Thanks I have watched all videos I can find. They say in that video. " We do not sell kits"

Re: Fuel pump [Re: Zebco1961] #13618926 07/04/20 05:49 PM
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T Bird Offline
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[Linked Image]
[Linked Image]


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Re: Fuel pump [Re: T Bird] #13618975 07/04/20 06:30 PM
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Zebco1961 Offline OP
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Thanks bird. I have those pics. Can't figure out how to get that last plate loose. O ring is under it

Re: Fuel pump [Re: Zebco1961] #13619031 07/04/20 07:32 PM
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Zebco1961 Offline OP
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[Linked Image]
Got it!!!

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