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 Heat Related Vapor Lock
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Joined: Oct 2007
Posts: 61
Member
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OP
Member
Joined: Oct 2007
Posts: 61 |
I've experience some vapor lock problems on my '07 America when it's ridden a lot in the rain, but today was different. Today in Cleveland was warm and dry with temperatures in the 95 - 100 range and I had problems with vapor lock.
The engine slows down and then stalls. You can't restart unless the gas cap is loosened up to allow air to get inside. In all cases the tank is at least half full.
Thanks for any thoughts about the problem.
Martin Reuben
Last edited by mdreuben; 06/07/2008 5:59 AM.
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Re: Heat Related Vapor Lock
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Joined: Jul 2006
Posts: 948
3/4 Throttle
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3/4 Throttle
Joined: Jul 2006
Posts: 948 |
This is so common there should be a heading in the vault. My dealer said I was over filling the tank and getting gas in the overflow pipe that collected dirt. I'm not sure I beleive that-it seems like a poor design to me.
The problem is probably with your over flow vent hose from your gas tank and it may need cleaning. Try blowing a little air through it and see if you get anything on the ground that may have been in the tube.
Redbike7
2006 America
No amount of skill can overcome gross stupidity. Ask me how I know...never mind, I forgot...
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Re: Heat Related Vapor Lock
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Joined: Aug 2005
Posts: 2,525
Loquacious
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Loquacious
Joined: Aug 2005
Posts: 2,525 |
Quote:
I've experience some vapor lock problems on my '07 America when it's ridden a lot in the rain, but today was different. Today in Cleveland was warm and dry with temperatures were in the 95 - 100 range and I had problems with vapor lock.
The rain issue seems to have been cleared by people cutting the end of the hose on an angle which limits water being sucked in and clogging the hose. As for for it happening during a hot day, I would think your vent hose might be pinched.
Erwin
05 America
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Re: Heat Related Vapor Lock
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Joined: Jan 2005
Posts: 6,821
Bar Shake
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Bar Shake
Joined: Jan 2005
Posts: 6,821 |
Quote:
Quote:
I've experience some vapor lock problems on my '07 America when it's ridden a lot in the rain, but today was different. Today in Cleveland was warm and dry with temperatures were in the 95 - 100 range and I had problems with vapor lock.
The rain issue seems to have been cleared by people cutting the end of the hose on an angle which limits water being sucked in and clogging the hose. As for for it happening during a hot day, I would think your vent hose must be pinched.
Yup. Vapor lock doesn't happen with gravity feed. It's more like a vacuum lock.
Contra todo mal, mezcal; contra todo bien, también
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Re: Heat Related Vapor Lock
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Joined: Apr 2008
Posts: 280
Adjunct
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Adjunct
Joined: Apr 2008
Posts: 280 |
My 2007 TBA kept dying and acting like it was running out of gas, same as yours , open the gas cap and start right back up. Turned out to be the tip over valve. A small cylendrical check valve that mounts inline in your gas tank vent tube . It is located right behind your carburetors. The valve gets stuck and the gas tank wont vent. Dealer took mine off blew some air through it and freed it up and reinstalled it. No problems since. I posted a thread in this forum about this and got a lot of response from people saying they had the same problem. Good Luck.
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