engine stops at half tank even on reserve - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 9 (permalink) Old 05-09-2011, 08:36 AM Thread Starter
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engine stops at half tank even on reserve

I hope someone here can give some advice, I have a 2000 VN750 which i really love but it has a problem with running at half full. I keep it on reserve all the time since it has a fuel indicator on the dashboard. But sometimes (only sometimes) when I ride at half tank the engine will just stop. If I pull over and wait about 10 minutes it usually starts right up again. I have always ran my bikes on reserve so that I do not have the hassle of running out of gas at the half tank mark and have never had a problem with any but this one.
Any advice is appreciated I love this bike in general but this is a problem and is really embarrassing since I am a kawasaki girl and brag about them all the time. So when I ride with the harley gang and it stops I want to push it in the ditch and leave it LOL
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post #2 of 9 (permalink) Old 05-09-2011, 08:41 AM
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POOGS maybe?


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post #3 of 9 (permalink) Old 05-09-2011, 08:48 AM
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Quote:
Originally Posted by nomore09 View Post
I hope someone here can give some advice, I have a 2000 VN750 which i really love but it has a problem with running at half full. I keep it on reserve all the time since it has a fuel indicator on the dashboard. But sometimes (only sometimes) when I ride at half tank the engine will just stop. If I pull over and wait about 10 minutes it usually starts right up again. I have always ran my bikes on reserve so that I do not have the hassle of running out of gas at the half tank mark and have never had a problem with any but this one.
Any advice is appreciated I love this bike in general but this is a problem and is really embarrassing since I am a kawasaki girl and brag about them all the time. So when I ride with the harley gang and it stops I want to push it in the ditch and leave it LOL
Sorry to say, you are creating some of the problem. Do not ride on reserve all the time. The smaller pick up screen is probably clogged up . See recent thread. Possible POOGS.
https://www.vn750.com/forum/showthread.php?t=18108

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Last edited by JM2001; 05-09-2011 at 09:20 AM.
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post #4 of 9 (permalink) Old 05-09-2011, 11:03 AM
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Sounds just like a case of the POOGS.
I think there is a real nice write-up (maybe sticky) on fixing the POOGS.
I'm sure you can search this forum and find it though.

P.S. - The nice write-up is by cglennon. If you go to the "carbs and fuel system" section of this forum, cglennon's sticky thread is second from the top.

~~C8> Ratt
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Last edited by ZCraggRatt; 05-09-2011 at 12:31 PM. Reason: P.S.
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post #5 of 9 (permalink) Old 05-09-2011, 12:21 PM
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These symptoms are the classic "Phantom Gas Syndrome" (aka, POOGS) which is essentially a vapor lock issue with the bike's gas cap and/or venting.

Take note: there is nothing wrong really with your bike itself. It just needs some "preventive maintenance", ok?....

Using the above "search" function, do a search for "POOGS" or "phantom gas syndrome". In one of the resulting forum threads, another forum member, Cglennon, has a very nice write-up on how to service your bike to kill this condition.

Let us know how it goes....

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post #6 of 9 (permalink) Old 05-09-2011, 10:06 PM
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Easy way to tell if you have POOGS. Ride with the gas cap unlocked (thus open by a little bit). If the problem no longer happens...there ya go.

I had the same problem a few weeks ago. Fixed it by following the advice in the POOGS thread.

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post #7 of 9 (permalink) Old 05-10-2011, 12:19 AM
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cglennon`s "Phantom Out Of Gas Syndrome" Correction and Prevention service link:
https://www.vn750.com/forum/showthread.php?t=17572

Gordon

1991 VN 750 -"Cosmic Lady" or "Bad Girl"?
Purchased May 16, 2008
Approx.19,300km (12,000 miles)

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July 13, 2016, Riding on the DARKSIDE now, Classic Radial 165/80-15


TOP TEN THINGS A NEW RIDER/OWNER SHOULD DO. Click on link.
https://www.vn750.com/forum/11-vn750-general-discussion/9127-top-ten-items-you-would-suggest-new-owner-do-his-new-ride.html
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post #8 of 9 (permalink) Old 05-10-2011, 12:30 AM
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I had the same issue. I ended up buying a new cap which solved my problem.

1986 Black Kawasaki Vulcan VN750 "Black KAWK"
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EMGO Handlebar, V&H Exhaust, Drop Shocks, Raised/Painted Fork, MeanStreak Seat, Tank Bib, ME880 Oversize Tires, Engine Guard, Custom Mirrors, Chris Products Turn Signals, Ear Shave, 150/42 Jets, PINGEL Fuel Valve, MCCT, Volt Meter, Shendegen R/R, AGM Battery, Coastered, .020 Coils, Relo Gauges & Headlamp, SilverStar Ultra, LED Flashing Brake Light, Center Stand Delete, WOLO Airhorn.
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post #9 of 9 (permalink) Old 05-10-2011, 02:46 AM
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You might ought to look at your fuel lines too. If they arc up higher than the fuel outlets, you can have the same problem as POOGS because the fuel can't flow freely over the arc at a half tank cause there isn't sufficient gravity in the tank for the fuel.
IMHO the POOGS would happen before you get to a half tank of fuel. I had both my fuel lines arced higher than the outlets and it would starve for fuel unless I kept the tank full.
It happened to me last week. I could be wrong tho.
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