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Old 04-14-2006, 05:16 AM   #1 (permalink)
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Scraping noise

I chopped my 1994 Sportster with a 13 degree rake and 10" over tubes. I am now getting slight scraping noise coming from the front disc. It only makes the noise when I steer or lean right, not left. What is causing this?

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Old 04-14-2006, 06:23 PM   #2 (permalink)
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is the caliper centered? maybe need to shim.
maybe need a fork brace.
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Old 04-19-2006, 02:03 PM   #3 (permalink)
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Quote:
Originally Posted by sulconst2
is the caliper centered? maybe need to shim.
maybe need a fork brace.
I agree, check caliber centering first.
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Old 04-19-2006, 04:30 PM   #4 (permalink)
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Also check you wheel bearing end play. The caliper is a floating style so it should self center. Make sure the pins of the caliper are lubed with light lithium grease so the caliper floats correctly.
A fork brace may be in order to prevent the forks from twisting and causing the caliper to misaline with the disk.
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Old 04-20-2006, 06:33 AM   #5 (permalink)
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Scraping noise

I had it checked and was told I need a fork brace because of the how much I extended the front. Like I said before, it doesnt make the noise turning left, only right. The brakes are on the left side, so the twisting to the right causes the mis-alignment.
Damn, Everytime I think I am done putting money in her, it costs me $400.00.

Is $400.00 a cost thats standard on anything you do to a scooter? LOL
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Old 04-20-2006, 07:57 AM   #6 (permalink)
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Since you have a floating caliper, single piston, it may be as simple as this.
When you turn right the twisting of the front end pushes the rotor up againest the piston pad causing it to depress and eliminates the niose before you hear anything. When you turn left, the twisting cause the rotor to rub on the fixed brake pad which requires the entire caliper to move, float, right to prevent binding. Since the entire caliper is moving, it continues to rub slightly againest the rotor causing the noise.
This is just a theory, but based on how a single piston caliper workes, it makes sense to me.
And $400 dollars to fix problems is in the middle of the cost. H-D stands for Hundred Dollars, the min amount to fix something. It just goes up from there.
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