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#11618239 - 05/22/16 01:27 PM Mercury xri 150 problems
BassMan922 Offline
Angler

Registered: 04/22/10
Posts: 304
Loc: Midland, Tx
It's a 96 Mercury xri 150 efi. Runs great on low end and high end but starting and starting it after running is next to impossible. I puffs serious white smoke every time but once started it runs like a dream. Any help would be much appreciated.
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#11618267 - 05/22/16 01:48 PM Re: Mercury xri 150 problems [Re: BassMan922]
GIG'EM AGGIES Online   content
Extreme Angler

Registered: 05/14/14
Posts: 2461
Loc: texas
Bassman, what I found with mine was the motor had to be level to start good. If it was trimmed up even just a little it was hard to start. I was told it had something to do with the float system but don't know that for sure. I know that once I found this out my Merc would fire right up every time usually without even choking it. Hope this helps.
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Everything is funny, as long as it's happening to somebody else.
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#11618521 - 05/22/16 04:11 PM Re: Mercury xri 150 problems [Re: BassMan922]
gary purdy Offline
TFF Guru

Registered: 05/24/03
Posts: 11320
Loc: Littlefield Tx & Lake A. H. US...
Mecury`s oil system works off of pressure from the crankcase via a pulse valve and if the bleed in the pulse valve stops up it will do just that. Causes the tank to maintain too much pressure when motor is turned off.
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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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#11618581 - 05/22/16 05:05 PM Re: Mercury xri 150 problems [Re: BassMan922]
BassMan922 Offline
Angler

Registered: 04/22/10
Posts: 304
Loc: Midland, Tx
So is it the bleed of or do I need to change the pulse valve?
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#11618650 - 05/22/16 05:55 PM Re: Mercury xri 150 problems [Re: BassMan922]
TLW Online   content
Extreme Angler

Registered: 11/16/06
Posts: 2257
Loc: ft worth
sounds like MIGHT have something ta do with tha enrichner circuit... trim it ALL tha way in when ya start... see if that helps at all.

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#11618835 - 05/22/16 07:12 PM Re: Mercury xri 150 problems [Re: TLW]
BassMan922 Offline
Angler

Registered: 04/22/10
Posts: 304
Loc: Midland, Tx
Originally Posted By: TLW
sounds like MIGHT have something ta do with tha enrichner circuit... trim it ALL tha way in when ya start... see if that helps at all.



I have done that and the problem persists
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