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Krusty11

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Posts: 26
Reply with quote  #1 
Morning Folks, I have a 2012 115hr e-tec serial # E115DPXINE on a 24' Pontoon , last two times I used the boat with a week down time between operating the engine it won't start without a lot of cranking and full throttle position.
After the engine has warmed for a while it can be shut off and let sit for a long period of time and will restart without issue .
I also notice what looks like a trail of steam coming from where the water discharges . Any ideas what I've got going on ?

Thanks,
Mike
seahorse

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Reply with quote  #2 

Check with your dealer to see if service bulletin 2017-05(S) Rev. A may apply to your engine.

 

Sparkplug gap, condition, and proper indexing make a big difference in quick starting ability.


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Krusty11

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Posts: 26
Reply with quote  #3 
Thanks Seahorse ! I just called the dealer he's several weeks backed up , don't want to miss any fishing so I'm going to try and tackle this one myself. I'll replace the plugs make sure I index um correctly , I remember they were gaped correct.

Mike
steelhead

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Reply with quote  #4 
Also clean or replace exhaust backpressure nipple and hose + small metal restrictor inside hose end to the EMM.  Located bottom of the block port side.
These plug up with carbon, affects starting.

Normal for flash steam from the cooling water hitting the very hot exhaust metal inside the mid section, especially on motors pushing lots of weight and water resistance.

The V4s run and last longer propped to minimum 5800 rpms normal boat loading at WOT.  Also less chance of overheating and less carbon buildup affecting the exhaust valve and motor internals.
Krusty11

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Posts: 26
Reply with quote  #5 
Thank you !
Miket

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Posts: 61
Reply with quote  #6 
I also have same engine with similar symtoms.
Exhaust nipple clogged with black grease like
Substance. Unable to get air thru hose. Should
I be able to force air thru?

Can I remove metal restrictor or replace?

Mike

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2007 115hp
E115DPXSC
SN05202430

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