FCR Chirps????

Just installed a used FCR-MX 39mm on my 08 DRZ400SM. It is in good shape with normal wear.

Works great but when I take off of put a load on the engine at lower rpm it makes a chirping noise kinda like a volkswagon bug sounds. That's the closest thing I can compare it to.

What do you think?

thats ''chirp'' is air moving past the slide

So its perfectly normal. All FCR's sound like that?

Yes , that's the noise you hear and you say that bike has fcr !

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