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Buell Forum » XBoard » Archive through January 31, 2011 » Front rotor wear limits « Previous Next »

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Cataract2
Posted on Thursday, January 20, 2011 - 08:27 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I'm trying to see what the maximum allowable wear is for the front rotor. I've looked in my Service Manual, but can't seem to find it. I measure mine at 4.422 mm. Wondering what should be the maximum amount I can go to.
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Vospertw
Posted on Thursday, January 20, 2011 - 12:02 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I thought I found it in the manual somewhere and 4.5mm rings a bell. I'm at work though and can't check.
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Andymnelson
Posted on Thursday, January 20, 2011 - 02:09 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I have not seen a spec in my service manuals (although, I have not searched for one either).

I would imagine, given the design of our brake systems, that rotor thickness would almost never be a problem before rotor warping. So perhaps there is no minimum spec because they will have other issues before getting too thin to perform safely.
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Vospertw
Posted on Thursday, January 20, 2011 - 05:24 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Check on the rotor. I think it's stamped on there (as with other rotors).

(Message edited by vospertw on January 20, 2011)
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Livers
Posted on Thursday, January 20, 2011 - 05:25 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

4.5 mm is correct per my manual (03 XB9R). My new rotor measures 4.95mm or so.

(Message edited by Livers on January 20, 2011)
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Vospertw
Posted on Thursday, January 20, 2011 - 06:07 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

FYI - in my 09 service manual it is in Table 1-4, Quick Reference Maintenance Chart: XB Models, as well as page 1-22. 4.5mm for the rotor.

(Message edited by vospertw on January 20, 2011)

(Message edited by vospertw on January 20, 2011)
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Cataract2
Posted on Friday, January 21, 2011 - 03:13 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thanks, that's kinda what I thought.
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