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Author Topic: new EBC front rotors, notch on inner side of rotor  (Read 3919 times)

Offline jtk1531

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new EBC front rotors, notch on inner side of rotor
« on: July 27, 2013, 10:36:52 PM »
i've just received a new pair of EBC front rotors in the mail.
first thing i noticed is a notch on the inside of the steel rotors on both discs. not sure if this is a design feature or a manufacturing fault.
anyone have any ideas? i've emailed the seller, haven't received an answer yet.
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Offline ZG

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Re: new EBC front rotors, notch on inner side of rotor
« Reply #1 on: July 27, 2013, 11:08:27 PM »
I just went out to the garage and checked mine and yep same mark, so I'd say normal.
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Offline jtk1531

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Re: new EBC front rotors, notch on inner side of rotor
« Reply #2 on: July 28, 2013, 01:30:05 AM »
Quote from: ZG on July 27, 2013, 11:08:27 PM
I just went out to the garage and checked mine and yep same mark, so I'd say normal.
thanks! that's a relief...
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Offline Tarheelbob

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Re: new EBC front rotors, notch on inner side of rotor
« Reply #3 on: July 28, 2013, 08:23:17 AM »
Quote from: jtk1531 on July 28, 2013, 01:30:05 AM
thanks! that's a relief...

Yes. Yes it is. (Bad engineering pun, implying geeky attempt at humor. You should laugh here.)
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Offline VirginiaJim

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Re: new EBC front rotors, notch on inner side of rotor
« Reply #4 on: July 28, 2013, 09:32:12 AM »
 :rotflmao:   Like this?
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Offline stevewfl

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Re: new EBC front rotors, notch on inner side of rotor
« Reply #5 on: July 28, 2013, 10:21:00 AM »
Wow you all check parts well.  I threw mine on, and once I saw the additional bite and performance with the double-H pads (compared to the stockers) I called it a day  :D
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Offline VirginiaJim

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Re: new EBC front rotors, notch on inner side of rotor
« Reply #6 on: July 28, 2013, 05:49:08 PM »
I never noticed it on mine.
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Offline Tarheelbob

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Re: new EBC front rotors, notch on inner side of rotor
« Reply #7 on: July 28, 2013, 06:33:45 PM »
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Offline con05

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Re: new EBC front rotors, notch on inner side of rotor
« Reply #8 on: July 28, 2013, 07:09:51 PM »
Not to hijack this thread but with so many of you using these rotors did any of you replace original rotors because of warping? I am headed to my 3rd pair of oem. Completely baffled. I am not a hard rider.
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Offline stevewfl

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Re: new EBC front rotors, notch on inner side of rotor
« Reply #9 on: July 28, 2013, 07:44:51 PM »
Quote from: con05 on July 28, 2013, 07:09:51 PM
Not to hijack this thread but with so many of you using these rotors did any of you replace original rotors because of warping? I am headed to my 3rd pair of oem. Completely baffled. I am not a hard rider.

I replaced mine because someone said the service level is 4.5mm or such and mine was 3.9mm and appeared paper thin
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Offline ZG

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Re: new EBC front rotors, notch on inner side of rotor
« Reply #10 on: July 28, 2013, 07:56:20 PM »
Quote from: con05 on July 28, 2013, 07:09:51 PM
Not to hijack this thread but with so many of you using these rotors did any of you replace original rotors because of warping? I am headed to my 3rd pair of oem. Completely baffled. I am not a hard rider.


My oem's were as straight as Max.  ;D


I only went to the EBC's to match up with the gold wheels...  ;) 8)
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Offline jtk1531

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Re: new EBC front rotors, notch on inner side of rotor
« Reply #11 on: July 28, 2013, 10:54:23 PM »
Quote from: con05 on July 28, 2013, 07:09:51 PM
Not to hijack this thread but with so many of you using these rotors did any of you replace original rotors because of warping? I am headed to my 3rd pair of oem. Completely baffled. I am not a hard rider.
no warping till date, but the original discs are under the wear limit within 22,000 miles (36,000 km). used OEM pads (new version) all this while. planning to use the discs till they're down to 4.0mm thick.
i'm replacing it with EBC because it's cheaper than OEM, even with international shipping costs and customs tax included.

incidentally, EBC discs measured 5.04mm and 5.09mm thick (used a micrometer to measure). looks a lot more better than the range given in kawasaki's oem disc thickness. EBC doesn't seem to publish their rotor thickness anywhere.
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Offline jtk1531

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Re: new EBC front rotors, notch on inner side of rotor
« Reply #12 on: July 28, 2013, 10:59:37 PM »
Quote from: Tarheelbob on July 28, 2013, 08:23:17 AM
Yes. Yes it is. (Bad engineering pun, implying geeky attempt at humor. You should laugh here.)
it worked, and i did...  :)
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