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post #1 of 11 (permalink) Old 06-07-2011, 08:45 PM Thread Starter
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Thumbs down Poogs??

I am a newbie, to this forum. Have been trying to learn what I can from it. I purchased my '04 750, this March. I changed all the fluids and had new tires put on. Here's my question - can POOGS happen with 3/4 tank of gas? Background: Bike ran great to work, this morning. Left work, this afternoon. Bike started fine. Sat through two stop lights, then hit the highway. It started to lose power. I headed toward the shoulder, when the power came back. It lasted a mile then died. I didn't know about taking the gas cap off, until now. Had it towed home. Tried starting it. At first it wouldn't start, then it finally did. Temp gauge was normal. Temp outside was 95. Also, problem seem to start after some strong wind gust. Might be just a coincidence. Total time 7 minutes, maybe 5 miles, at the most.
Where would you start the troubleshooting?
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post #2 of 11 (permalink) Old 06-07-2011, 09:40 PM
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Poogs is a caused by vacuum in the fuel tank due to the vent hose or valve becoming plugged.
If your tank vent was plugged in 95*F temps, the tank would be pressured up before riding IMHO. Riding for only 5 miles or 7 minutes would not drain enough fuel from the tank fuel from the tank to create a vacuum condition. The tank being 3/4 full also sound like it is not POOGS to me.

You could test fuel flow by taking both fuel lines and vacuum line from the carb, then drain gas into clear bottles while sucking on the vacuum line. See how much gas will drain before the flow slows or ceases. Just an idea to try.

Gordon

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Last edited by OlHossCanada; 06-07-2011 at 09:43 PM.
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post #3 of 11 (permalink) Old 06-07-2011, 10:32 PM
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Sounds more like the carb vent hose to me........ Check for the tube behind the right ear and make sure it is intact and not bottomed out in the ear.
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post #4 of 11 (permalink) Old 06-08-2011, 12:33 AM
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Quote:
Originally Posted by dariv View Post
Sounds more like the carb vent hose to me........ Check for the tube behind the right ear and make sure it is intact and not bottomed out in the ear.
X2 dariv. Good call.
The wind gust makes sense too, if the vent hose is pulled out and exposed to high speed air passing over an exposed end.

Here is where it should be.
https://www.vn750.com/photopost/showp...o=1757&cat=503

daffy, cut the end of the hose off at a 45* angle before pushing it back in the right ear.

Gordon

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

H-D windshield
Relocated R/R
MF-AGM battery
Fiamm Freeway Blaster horns
F&S luggage rack and engine guard
Kury Offset Hiway pegs
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/showthread.php?t=9127
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post #5 of 11 (permalink) Old 06-08-2011, 10:11 AM
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Quote:
Originally Posted by OlHossCanada View Post
daffy, cut the end of the hose off at a 45* angle before pushing it back in the right ear.
I've been thinking about this simple instruction we give to eliminate bottoming out the carb vent hose. Correct me if I'm wrong, but the 45 degree angle cut would only be effective if the cut is aligned with the slot in the ear clamp, right? If the cut is placed opposite the slot, and the hose bottoms out, venting is still obstructed right?

~~C8> Ratt
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post #6 of 11 (permalink) Old 06-08-2011, 05:45 PM
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Quote:
Originally Posted by ZCraggRatt View Post
I've been thinking about this simple instruction we give to eliminate bottoming out the carb vent hose. Correct me if I'm wrong, but the 45 degree angle cut would only be effective if the cut is aligned with the slot in the ear clamp, right? If the cut is placed opposite the slot, and the hose bottoms out, venting is still obstructed right?
Yes, the cut angle needs to face the slot if the hose gets pushed to the bottom.

Gordon

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

H-D windshield
Relocated R/R
MF-AGM battery
Fiamm Freeway Blaster horns
F&S luggage rack and engine guard
Kury Offset Hiway pegs
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/showthread.php?t=9127

Last edited by OlHossCanada; 06-08-2011 at 05:48 PM.
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post #7 of 11 (permalink) Old 06-11-2011, 05:53 PM Thread Starter
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Thumbs down

Thank you for all the advise.
The hose had come off the right ear.
I cut it at a 45 degree angle, pushed it back in.
Checked all the other vent hoses.
Everything looked fine.
Went ahead and put in new plugs, since I didn't know how old these were.
Also checked the gas tank hose.
Took it for a test drive and it ran fine.
Got it home and noticed the hose had came off the right ear again?
I think that I got it in there good, this time and will take it for a test drive, later tonight.
It does go in the spot that has a slit cut in the bottom, right?
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post #8 of 11 (permalink) Old 06-12-2011, 01:31 AM
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Quote:
Got it home and noticed the hose had came off the right ear again?
I think that I got it in there good, this time and will take it for a test drive, later tonight.
It does go in the spot that has a slit cut in the bottom, right?
Yes.

Gordon

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

H-D windshield
Relocated R/R
MF-AGM battery
Fiamm Freeway Blaster horns
F&S luggage rack and engine guard
Kury Offset Hiway pegs
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/showthread.php?t=9127
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post #9 of 11 (permalink) Old 06-12-2011, 11:15 AM
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if it still wont stay in there you could try a few other things but I would buy a filter to put on it and run it under the seat. EMGO is what I have on mine but I am shaved... some have had good results by running the hose under the tank and connecting it to the nipple from the sending unit. others have ran it into the frame of the bike... as long as it is not getting to much air flow or botteming out your good to go.
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post #10 of 11 (permalink) Old 06-12-2011, 10:24 PM
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The only thing that's ever worked for me is to switch to reserve and then fill up with gas as soon as I can. I also try to not park in the sun when below half tank and it's really hot out.
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