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Old 11-02-05, 03:33 AM   #1
Joubsta21
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Default High Pitched noise coming from gas tank!!

I was wondering if anyone has ever experienced a high pitched ringing sound that's pretty soft but annoying coming from their gas tank? I've noticed a couple of times after I've gotten back from a ride and the bike is turned off, I can hear this noise coming from the gas tank. I'll open the gas tank and a lot of pressure will be released. I was just wondering if anyone knew what could be causing this!
~ Thanks
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Old 11-02-05, 09:22 AM   #2
Rune
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Sounds like a build up of evaporated petrol or the expansion of petrol in in combination with a little air in the tank. If it's very cold out, the heat from the motor will make the petrol expand a bit more than on warmer days because of the difference in temperature.

I think it would be a good idea to check the gaskets see if they are going, you don't want petrol all over all of a sudden .
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Old 11-02-05, 09:29 AM   #3
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most bikes have a small hole in the filler cap, to allow these build ups to escape and to cause the whistle. Perfectly normal it is.
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Old 11-02-05, 09:32 AM   #4
mysteryjimbo
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Mouse nesting??

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Old 11-02-05, 10:17 AM   #5
21QUEST
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Fuel tank breather hose? you might want to check it's not blocked.

Cheers
Ben
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Old 11-02-05, 10:47 AM   #6
BillyC
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Quote:
Originally Posted by 21QUEST
Fuel tank breather hose? you might want to check it's not blocked.

Cheers
Ben
Sounds the most likely to me!
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Old 11-02-05, 10:51 AM   #7
Rocket
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Could be a Squirrel storing nuts in your airbox?
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Old 11-02-05, 10:51 AM   #8
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all fuel filler caps have a hole in them, other wise the vacuum would build up and no fuel would travel down the fuel lines to the carbs. The Zx6 whistles like a good un sometimes.
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Old 11-02-05, 11:28 AM   #9
Carsick
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Every bike I've ever owned whistles on a hot day, I just find it entertaining.
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Old 11-02-05, 11:32 AM   #10
zx6man
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Does anyones play an actual tune....???
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