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2012 fuel injected Yamaha rhino dies only after going fast??

Posted on 2/26/19 at 6:29 am
Posted by Tiger In the Swamp
Louisiana
Member since May 2014
841 posts
Posted on 2/26/19 at 6:29 am
Starts fine, idles fine, mid range speed runs fine. But after running at high speed, when it comes back down to idle it dies. Starts back up pretty easily. Any ideas?
This post was edited on 2/26/19 at 6:33 am
Posted by gamatt53
Member since Nov 2010
4934 posts
Posted on 2/26/19 at 6:50 am to
Fuel pump
Posted by MorningWood
On the coast of North Mexico
Member since May 2009
2669 posts
Posted on 2/26/19 at 7:07 am to
I have a outboard that is doing the same thing. What makes you think it is the fuel pump?
Posted by GeauxTime9
Baton Rouge, La
Member since Dec 2010
6407 posts
Posted on 2/26/19 at 7:09 am to
Can you smell fuel after i dies?
Posted by MorningWood
On the coast of North Mexico
Member since May 2009
2669 posts
Posted on 2/26/19 at 7:12 am to
No but the bulb is empty and needs to be primed. Then after I let it sit a while it will fire back up and run fine. I thought it was flooding out because it won’t start right away but the bulb isn’t primed with fuel so it makes me think it’s starving itself out
Posted by KemoSabe65
70605
Member since Mar 2018
5150 posts
Posted on 2/26/19 at 7:44 am to
Make of motor?
Posted by Boat Motor Bandit
Member since Jun 2016
1891 posts
Posted on 2/26/19 at 7:52 am to
pin hole somewhere and when it needs fuel the most the fuel pump is at its max. and a small amount of air is bypassing somewhere. Isn't much and you may never find it. Could be diaphragm in pump or pin hole in a line somewhere. I have chased gremlin holes enough to tell you if it is an older bike say 5 plus. change it all its worth the piece of mind over the dollar value.
Posted by MorningWood
On the coast of North Mexico
Member since May 2009
2669 posts
Posted on 2/26/19 at 9:15 am to
150 hpdi
Posted by Park duck
Sip
Member since Oct 2018
394 posts
Posted on 2/26/19 at 9:34 am to
never mind
This post was edited on 2/26/19 at 9:41 am
Posted by X123F45
Member since Apr 2015
27414 posts
Posted on 2/26/19 at 9:36 am to
Edit: not a 660.

Hmm. Check the pick up on top of the tank for cracks and the fuel filter.
This post was edited on 2/26/19 at 10:44 am
Posted by keakar
Member since Jan 2017
30026 posts
Posted on 2/26/19 at 10:35 am to
check vent on gas cap, if its restricted it forms a vacuum that can stop fuel flow but clears right up after a second when the tank pressure equalizes again

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