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Buell Forum » 1125R Superbike Board » Archives 001 » Archive through October 29, 2009 » Anyone else have front brake issues with there CR « Previous Next »

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Cafefun
Posted on Tuesday, October 27, 2009 - 09:57 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Seems like my front brake pulsates rather badly when applying the brakes is this a know issue?
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Jdugger
Posted on Tuesday, October 27, 2009 - 10:02 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Yes, it's a known issue: you aren't using the front brakes hard enough.

$10 says your rotor is still shiny silver, not starting to turn colors at the edges, right?

Go run up to about 90 and slowly work up to some VERY aggressive snubs down to about 20 or so.

Or, just drag the front brake with the throttle on for 1/8th mile, then off for a 1/2 mile, then the same.

A track day or two would probably also do it.

Once you put some real wear into those brakes, not only will it work better, but it won't pulse.

The OEM pad on the 1125r expects a pretty aggressive rider, and it glazes up when it doesn't have one.
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Blackflash
Posted on Tuesday, October 27, 2009 - 10:47 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Get it in and have them document it.It will be fixed for free if you dont wait to long.I had the same issue with my r but I waited to long and they were questioning me why didnt you tell us earlier.Needles to say it was fixed even a year later .But they had raised eyebrows.
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Jdugger
Posted on Tuesday, October 27, 2009 - 01:15 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

post up a close up picture of your rotor.
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Dentguy
Posted on Tuesday, October 27, 2009 - 02:01 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The brake shouldn't pulsate with normal riding and you shouldn't have to use it harder so it doesn't. Take it back and get it looked at.
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Dirty_john
Posted on Tuesday, October 27, 2009 - 02:09 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

sounds like you have pad material deposited on the rotor, hard braking and/or a brake cleaner aerosol should help.

I found that it happened much less when I changed to harder pads, same thing happened with my 2006 Firebolt
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Moosestang
Posted on Tuesday, October 27, 2009 - 02:09 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

My front brake does not pulsate, but my xb9's did. I changed pads on the xb and that helped a lot.

My rear brake is a different story. At first it felt like I had no rear brake and now it's makes a terrible noise if I apply it to hard. You'd think it would lock up the back tire before it started to howl, but no. I sound like a Mack truck coming to a stop.
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Cafefun
Posted on Tuesday, October 27, 2009 - 04:31 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Well I have been on the brakes hard plenty of times already damn near to the point of lifting the rear wheel. on a side not my back brake pretty much don't work at all. but I never use it anyway.
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Jdugger
Posted on Tuesday, October 27, 2009 - 04:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Use the front brake to stop.

Use the rear brake to hold yourself in place on a hill.
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Jdugger
Posted on Tuesday, October 27, 2009 - 04:41 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

What people are forgetting about the 1125r is Buell made an active decision to put a rather high performance pad on the bike as OEM.

High performance pads DO NOT perform well when used lightly.

So, either get a "street" pad, or *use* the brakes.

If you went an got high performance pads and put them on your buick, you would have the same problem.
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Fmaxwell
Posted on Tuesday, October 27, 2009 - 04:51 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Use the rear brake to hold yourself in place on a hill.

Unless it's more than a ten degree slope, in which case the Buell rear brake might not be up to the task. ; )

(Message edited by fmaxwell on October 27, 2009)
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Froggy
Posted on Tuesday, October 27, 2009 - 05:01 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Fmaxwell, use your rear some more. On both my R and CR it was soft for the first few hundred miles and wouldn't hold the bike at all. After breaking them in a bit you couldn't push the bike down a hill. They still squeal when wet though.
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Cafefun
Posted on Tuesday, October 27, 2009 - 05:11 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I don't hardly ever touch the rear brake that's why I really don't care to much how it works!
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Jaimec
Posted on Tuesday, October 27, 2009 - 05:30 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

BOTH brakes need to be properly broken in before they'll work properly. I thought the brakes felt weak myself when I first got the bike. I don't feel that way anymore, believe me!
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