03 636 strange whistle? - KawiForums - Kawasaki Motorcycle Forums
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post #1 of 15 (permalink) Old 03-20-2012, 08:16 PM Thread Starter
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03 636 strange whistle?

I have a 03 636 and it's making a weird whistling sound while accelerating. It doesn't do it in neutral or when u let off the throttle. Has anyone else experienced this?
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post #2 of 15 (permalink) Old 03-21-2012, 11:48 AM
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Are you sure its not the wind whistling against your helmet or bike, cuz it happens to me sometimes when my visor is up
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post #3 of 15 (permalink) Old 03-21-2012, 11:56 AM
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post #4 of 15 (permalink) Old 03-21-2012, 03:36 PM Thread Starter
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Yea I'm sure because it's only when I accelerate. If it was bike or helmet it would do it all the time. It sounds like a George jettson mobile. The chain seems good. What could it b with the chain? It seem to do it louder at lower RPMs
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post #5 of 15 (permalink) Old 04-16-2012, 12:36 AM
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could be a loose connection on your throttle bodies to the air box.
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post #6 of 15 (permalink) Old 04-16-2012, 01:29 PM
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Valve clearance maybe? Im pretty sure that's what the kawi shop down the street said its related to

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post #7 of 15 (permalink) Old 04-19-2012, 11:18 AM
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My 2004 does that too. a clear whistle that sounds like its coming from the front end but if im going fast it either stops or i just cant hear it. i thought it was the intake but im not too sure. dont ever have any performance problems and i think it sounds quite cool so it doesnt bother me at all. sounds like a turbo whistle or something :-) If you find out what it is though, do let me know.

ive just had a full service so i really doubt its the valves

does it not do it if you're at steady revs? if im just plodding along at low speeds it does it continually

Thanks

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post #8 of 15 (permalink) Old 04-19-2012, 03:10 PM
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Might just be an intake whistle. An audio/video clip would be helpful if this is worrying you.
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post #9 of 15 (permalink) Old 04-22-2012, 06:59 PM
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Take it to were it starts to whistle, clutch in hit the kill switch and see if it still does it. If it continues to whistle then u could eliminate pretty much anything to do with the engine.
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post #10 of 15 (permalink) Old 04-22-2012, 07:00 PM
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Make sure to then start the bike again haha.
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