« Reply #2 on: March 16, 2012, 08:55:36 PM »
I hear a whistle, very quiet when I shut her down. It is probably the vent on the gas cap but I don't remember hearing the sound last fall. Is it appropriate to blow into it to try and clear it if it is partially plugged?
I have heard that sound on every bike I have owned. It is always the vent on the gas tank either letting air in or out. Especially noticeable if tank is pretty full and it is a warm day; but it seems, generally, unpredictable.
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