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TrentonH1

Whistle Noise

3 posts in this topic

I have a 2008 wr450f. There is a strange whistling noise coming from the engine. It doesn't seem to be related to the clutch or the rpms. But it normally happens after hard acceleration. It sounds like a tea pot. 

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G'day, does it do it on a race stand, or when riding? First time I used my camera goggles there was this awful whistling sound on the video, after extensive exploration turned out to be chain, hope this helps, ROOSTA out.

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That is probably the standard FCR whistle noise.

 

The Slide plate has a hole in it, and in certain throttle positions, you get a whistle sound that is constant in pitch.

 

If the pitch goes up and down with your whistle noise, that is not normal........

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