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xs650 > > Motorcycle Systems > > Fuel > > Gas cap vent stuck closed


Gas cap vent stuck closed
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blue900
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Joined: May 17, 2005
Posts: 100
Location: Blackfoot Idaho
PostPosted: July 7, 2008, 1:10 am    Post subject: Gas cap vent stuck closed
I'm working on getting my carbs tuned, Its been running poorer lately nothing seemed to help. I was getting really annoyed. The top end Stumbling was getting worse, Idling poorly sometimes. Saturday out of the blue it quit 3 times like it was out of ga,s started right back up after stopping?
Today when I took it for a ride I noticed the tank was hissing I have not heard this before.
I took the gas cap vent apart and the disk inside was stuck to the gasket. Put it back together, used an o-ring for the Tank seal (the seal was toast) and it runs much better.
I wouldn't have thought of that except the hissing.

Who knows what I would have torn into and how many parts I would have replaced.

So now back to reading the plugs maybe I can get it right now, I've killed another gremlin
(I Hope).
Very Happy
Happy Safe Riding Everyone!
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xsjohn
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Joined: Jul 30, 2006
Posts: 5857
Location: North Carolina USSA
PostPosted: July 7, 2008, 8:05 am    Post subject: Re: Gas cap vent stuck closed
Ron.....Fly in the ointment for sure.........that will change everything........think I will send you a set of 134MJ to try...........with no extra spacer should work at 4500 feet..........

xsjohn
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blue900
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Joined: May 17, 2005
Posts: 100
Location: Blackfoot Idaho
PostPosted: July 7, 2008, 11:42 pm    Post subject: Re: Gas cap vent stuck closed
John
Running a lot better today for the ride to work and back, Thought I was lousing my mind for a while there!
I will work on getting things balanced out and ready to try the 134s, looks like the 132.5MJ's are defiantly a little lean just a tad of dark brown on one side of the insulators . Looks like to me indexing wouldn't hurt
Ron
Thanks !
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