Gas Cap and POOGS - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
Carbs and Fuel System
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post #1 of 46 (permalink) Old 07-29-2012, 07:11 AM Thread Starter
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Gas Cap and POOGS

Got the common gas cap problem yesterday, bike would bog down. Rode the bike with the gas cap open and problem resolved so I cleaned the gas cap and no more problems. I took pics to help anyone with a similar problem.

Pic 1: Gas cap with cover removed. Under the large brass ring are 5 little springs. I left them in place but don't loose them!



Pic 2: Brass Cover removed. You can see the air piston (orange piece)



Pic 3: The key tumbler cover removed, remember its orientation with the tumbler.


Last edited by gaillarry; 07-29-2012 at 08:17 AM.
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post #2 of 46 (permalink) Old 07-29-2012, 07:20 AM Thread Starter
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Pic 4: Orange valve removed. I used a pair of tweezers to gently lift it out of the hole. I found this was the problem it as sticking in the hole, preventing it from moving up/down. Using a Q-Tip I cleaned the piston and hole with brake cleaner.



Pic 5: There's a gasket and diaphragm sitting in the hole, again gently remove them.





Pic 6: This is the air channel between the cylinder and cap vent. I used a can of compressed air to blow it out.


Last edited by gaillarry; 07-29-2012 at 07:37 AM.
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post #3 of 46 (permalink) Old 07-29-2012, 07:25 AM Thread Starter
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You can now put everything back together. Also check the gas tank vent. I used a compressor to blow out the vent hole in the tank. On the underside of the tank is a rubber vent line running to the rear wheel. Make sure the tank vent and rubber line are clear.

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post #4 of 46 (permalink) Old 07-29-2012, 10:30 AM
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Thanks

Great breakdown of this task. That's what I love about this forum! So much knowledge and just a few clicks away.
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post #5 of 46 (permalink) Old 07-29-2012, 11:14 AM
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Nice job on the write up!
Photos are always a great addition to the instructions...good work!
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post #6 of 46 (permalink) Old 07-29-2012, 12:06 PM
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Excellent work...
So who's in charge of collecting, categorizing, and maintaining all the 'good' information?
Is anybody actively working on the Verses?
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post #7 of 46 (permalink) Old 07-29-2012, 12:19 PM
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Quote:
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Excellent work...
So who's in charge of collecting, categorizing, and maintaining all the 'good' information?
Is anybody actively working on the Verses?
I feel the same way. All this info and it eventually gets lost in the forums. I think I read somewhere that the guys running this site manage other sites and don't do much moderation here. Would be awesome if they assigned some folks here to help moderate and organize the info better.

Peace.

I only understand what I don't understand.
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post #8 of 46 (permalink) Old 07-29-2012, 12:51 PM
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Quote:
Originally Posted by blazblu82 View Post
I feel the same way. All this info and it eventually gets lost in the forums. I think I read somewhere that the guys running this site manage other sites and don't do much moderation here. Would be awesome if they assigned some folks here to help moderate and organize the info better.

Peace.
Seems we may have to 'elect' a member ourselves....
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post #9 of 46 (permalink) Old 07-29-2012, 01:15 PM
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Quote:
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Seems we may have to 'elect' a member ourselves....
On a positive note, this write up is awesome! My bike is starting the POOGs symptoms and now I know what to do. Thanks for the write up!

I only understand what I don't understand.
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post #10 of 46 (permalink) Old 07-29-2012, 10:35 PM
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I just PM`d our remaining moderator, Dianna, and asked her to sticky this thread so it will stay at the top of the Carbs and Fuel tech forum table of contents.

This is the best we can do because the Vulcan Verses are closed to additions.

BTW gaillarry, thanks for the excellent write-up and photos documenting this procedure. I will be refering to it in the near future as I need to check and clean my cap and vent.

cglennon already has a sticky thread on this subject, so I am going to cross reference them to each other.
https://www.vn750.com/forum/showthread.php?t=17572

He has more text explaining what the theory behind the process is.
gaillary has more pictures to help visualize exactly what the parts look like that we are working on.
I hope this helps someone besides just me!

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/11-vn750-general-discussion/9127-top-ten-items-you-would-suggest-new-owner-do-his-new-ride.html

Last edited by OlHossCanada; 07-29-2012 at 10:47 PM.
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