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Old 12-16-2011, 12:42 PM   #1
fastcar302
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Front brake on CBR600 F4 humming

I have a 2000 CBR600 F4 that has a humming sound ONLY when lightly braking below 10 mph. It's not a squeak or squeal. It kind of sounds like when you wet your finger and rub the edge of a crystal glass. The bike stops fine and the rotors are not bent or touching any part of the forks or brake caliper. The rotors are clean and I replaced the pads, but the noise is still there.
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Old 12-16-2011, 12:44 PM   #2
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is it singing jingle bells? lol
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Old 12-16-2011, 12:48 PM   #3
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Might as well be.
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Old 12-16-2011, 01:48 PM   #4
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humming like a low tire, or ringing like the high pitch finger on glass?
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Old 12-16-2011, 01:51 PM   #5
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Like the finger on the glass.
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Old 01-10-2012, 02:56 AM   #6
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What pads did you go with? Did you scotch bright &clean the rotors while changing the pads?

When done did you spin the wheel after you pumped up the brakes and make sure the calipers aren't dragging?

Did you spin the wheel to check rotors are straight and not out of round, warped/bent ect?
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