Anyone else get a high pitch noise after letting the bike cool down on a warm day? - Kawasaki KLR 650 Forum
2008+ KLR650 Wrenching & Mod Questions For repair, maintaining or modifying discussions related to the newly updated 2008 and beyond, Generation 2 KLR650 Motorcycle.

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post #1 of 8 Old 07-25-2016, 10:45 PM Thread Starter
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Anyone else get a high pitch noise after letting the bike cool down on a warm day?

Like the title say, after a nice run on a warm day I get a noise like air escaping from a gallon whine after it cools a bit. Anyone have ideas? I will try and get it recorded if I can.
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post #2 of 8 Old 07-26-2016, 12:16 AM
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sounds like the tank vent, mine does the same... hope it's normal.. lol

"Things are made out of Stuff"
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"Singularity is a scientific term for - We Just Don't Know"
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(2011 KLR)
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post #3 of 8 Old 07-26-2016, 09:27 AM Thread Starter
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I hope so, too. If it is I wonder if there is a fix for it.
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post #4 of 8 Old 07-26-2016, 09:59 AM
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I believe that's the tank vent as well. This bike doesn't seem to do it but my zx6r did it almost every time I rode. It's like a high pitch whistle.
And if I remember correctly, if I opened the gas cap it disappeared.

Last edited by Back2Kawi; 07-26-2016 at 10:08 AM.
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post #5 of 8 Old 07-26-2016, 10:19 AM Thread Starter
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B2W,

That is what mine sounds like, release the pressure from the take, but mine ends up coming back. lol
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post #6 of 8 Old 07-26-2016, 01:07 PM
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Totally Normal. On both counts.
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post #7 of 8 Old 07-26-2016, 02:19 PM Thread Starter
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Thank you pdw

Makes me feel better.
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post #8 of 8 Old 07-26-2016, 08:12 PM
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Mine too.
I always thought it as a sigh of relief when I get off.
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