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Brake Help!!!

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Old Jul 8, 2015 | 12:43 PM
  #1  
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Default Brake Help!!!

Picked up a 1998 Sportster last week. Guy took real good care of it, had the brakes checked and bled by local indie shop before handing it off to me.

I've noticed a knocking sound coming from the front end. Thought it was coming from the engine, then I thought it was a loose horn bracket...but now I'm convinced it's the front caliper.

The noise stops when I apply the front brake (while in motion). So I figured the caliper must be loose. Went to tighten it down today and the bolts holding it to the left fork are as tight as they can be...but I can physically move the caliper back and forth with my hand - not much, probably a half a millimeter at most, but enough to say the caliper seems wobbly?

It's the older style caliper so maybe it's supposed to have a slight movement to it? I wouldn't be concerned if it wasn't for the constant audible knocking sound while riding. Also, the noise intensifies when I go to make a left-hand turn, weird I know but definitely noticeable!

Any help appreciated.
 
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Old Jul 8, 2015 | 01:11 PM
  #2  
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Default Brake Help!!!

I have a 98 sportster as well. Just went out and checked my caliper. There is a little play in it. But they are "free floating" calipers.

If it knocks when your moving the caliper you could try bleeding the brakes again. Might still be a little air in the system causing them to move a little more then they should.
 
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Old Jul 8, 2015 | 01:49 PM
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check the runout on the rotor, could be warped and making a knocking sound as the wheel spins the rotor through the caliper
 
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