2008 Ninja 250 high pitch squeaking noise

Jinniwind

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My bike makes the high pitch squeaking sound sometimes after a rolling stop at lights and when I'm in low gears. It occasionally happens when at a high speed as well. Sometimes it keeps squeaking for 3/4 seconds even after I turn off the engine.

I googled this problem, some people say it's the tank pressure and some give other diagonsys. The thing is everyone gave kinda different descriptions and there's no one that my problem fits perfectly.

Thanks in advance for your help.
 
Is it like a whistle ?

edit:
[video=youtube;Wi-x_hyYYWU]http://www.youtube.com/watch?v=Wi-x_hyYYWU[/video]
 
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its the pressure in the gas tank. nothing dangerous. most kawi 250r make this noise . especially if bike sits under the sun or warm place , it screams even more . just open the gas cap and release the pressure , it will go away . i wanted to fix it too , but its a hassle , and im kind of fine with the sound now , i say my bike talks to me . :)...
 
Is it like a whistle ?

edit:
[video=youtube;Wi-x_hyYYWU]http://www.youtube.com/watch?v=Wi-x_hyYYWU[/video]

yup something like that. Mine might be even higher pitch but it could just be the sound recording.

Yesterday, it even whistled right after I refilled some gas and I don't understand why there was tank pressure even right afterI opened the tank for refill one minute ago.
 
Ya that's the pressure being released from the tank. It worried me the first time I heard it on my 250. I have some friends with 250's and we make jokes about it. The bike certainly has character. :)
 
Ya that's the pressure being released from the tank. It worried me the first time I heard it on my 250. I have some friends with 250's and we make jokes about it. The bike certainly has character. :)

Some 250s don't. I guess my b1tch is just too talkative. lol! Alexandria, I love you anyways, with all my heart.
 
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