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Old 09-25-2014, 03:09 PM   #1
ABHooligan OP
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New pads when replacing a rotor?

I bent a rotor sunday, and the box for the new rotor insists on NOT using the rotor with the old pads or the rotor will warp. Now, I'm not a cheapskate, but I hate to replace parts that don't need it. The bike is a WR250R, with 3k miles on it.

Is it the consensus around here to replace the pads for a new rotor, regardless of mileage?
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Old 09-25-2014, 03:48 PM   #2
Motomantra
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You might get away with it, but

For the price of the rotor, I wouldn't risk it.
The old pads may not get equal pressure on the rotor, creating hot spots, creating warpage.
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Old 09-25-2014, 04:26 PM   #3
Yamarocket630
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Quote:
Originally Posted by ABHooligan View Post
and the box for the new rotor insists on NOT using the rotor with the old pads or the rotor will warp.


Do they also insist that you use THEIR specific pads? Unless the pads are worn out just run them, If you're worried about it sand the friction surface down to make it even and expose unused material.
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Old 09-25-2014, 06:23 PM   #4
dnrobertson
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Put the old pads in a box.

Put the new pads in to keep the rotor supplier happy (and warranty intact).

Then when the new pads wear out, open the box and put those pads on.
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Old 09-25-2014, 06:24 PM   #5
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Originally Posted by dnrobertson View Post
Put the old pads in a box.

Put the new pads in to keep the rotor supplier happy (and warranty intact).

Then when the new pads wear out, open the box and put those pads on.
This.
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Old 09-25-2014, 07:04 PM   #6
davek181
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I call BS. Run the old pads, it will not warp your rotor.
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Old 09-25-2014, 08:21 PM   #7
Bump Stop
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Total BS run the old ones.
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Old 09-25-2014, 08:41 PM   #8
broncobowsher
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So long as the old pads are good and not damaged I would run them.
If you were really worried about the rotor warranty, run new pads and keep the old one to use later as they are still perfectly good.
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Old 09-26-2014, 11:06 AM   #9
NZRalphy
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Lay some sand paper on the floor and quietly sand the pad flat. Then you are good to go.
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Old 09-26-2014, 03:00 PM   #10
fast4d
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easy to visually tell if the entire pad is contacting new rotor once you go out and hit the brakes hard a few times.
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Old 09-26-2014, 05:09 PM   #11
k-moe
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Are brake pads suddenly an exorbitantly expensive item? Just get new ones so you don't have to bother with changing the pads again for a good long while.
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Old 09-27-2014, 01:32 AM   #12
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Originally Posted by k-moe View Post
Are brake pads suddenly an exorbitantly expensive item? Just get new ones so you don't have to bother with changing the pads again for a good long while.
May be. For some folk they are.
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Old 09-27-2014, 01:54 PM   #13
k-moe
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May be. For some folk they are.
I have eactly $0.00 at the end of the bill-paying period of each month, and I'd still get new pads.
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Old 09-27-2014, 01:57 PM   #14
JimVonBaden
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Originally Posted by davek181 View Post
I call BS. Run the old pads, it will not warp your rotor.
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Old 09-29-2014, 11:39 AM   #15
mitchapalooza
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Wait, how the hell did you bend a rotor?!

Edit: nevermind, moto, not cage.
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