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Buell Forum » 1125R Superbike Board » Archive through April 02, 2012 » Rear Break « Previous Next »

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Rrs1125
Posted on Thursday, March 22, 2012 - 05:38 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

My rear breaks locks , it won't release,
is that in the caliper or the wheel cylinder
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Pmjolly
Posted on Thursday, March 22, 2012 - 07:08 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Most likely it is the caliper. There have been a few of these that have locked up.
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Chessm
Posted on Thursday, March 22, 2012 - 09:55 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

i think youre breaks might be broken. maybe you breaked to hard won thyme and now it wont unbrake.

you have two be careful their when you break as there parts are fragile.
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Slaughter
Posted on Thursday, March 22, 2012 - 11:38 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

If you use the rear a LOT for stopping, it really gets dirty fast and will need the piston cleaned... Just a guess but when it gets covered with brake dust, it really can start to stick.
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_gdkp_
Posted on Friday, March 23, 2012 - 08:15 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

look at your brake cylinder (rear), if they get wet the nissin cylinder will start corrode and it won´t release the brake!!

Check if you foot brake lever is loosen / if the cylinder is moving!!
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Smoke4ndmears
Posted on Friday, March 23, 2012 - 09:53 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Also, get a spring return!
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Zane_t
Posted on Friday, March 23, 2012 - 10:48 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I would crack the bleeder on the rear caliper open the next time the rear brake locks up. If that frees it up, you got a bad rear master cylinder. Very common problem on these.
Hopefully, you didn't smoke everything in the rear brakes like I had happen to mine. If so, you'll be replacing every component along with the master cylinder.
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Dirty_john
Posted on Friday, March 23, 2012 - 02:10 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

get rid of the poor rear calliper and master cyl and fit decent Brembo items
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Sprintst
Posted on Friday, March 23, 2012 - 02:17 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

your rear brake is broke
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Fio835
Posted on Friday, March 23, 2012 - 02:17 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I rarely use the rear brake.. just enough so it gets "used" ever now and again.
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Kickstand76
Posted on Saturday, March 31, 2012 - 06:32 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

hey! same problem here. havent used rear brakes in months 6-8. installed new pads. won't engage/actuate. i was also thinking new caliper even opening bleeder valve.
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Xodot
Posted on Saturday, March 31, 2012 - 10:41 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Chessm - you have expressed my feelings most eloquently
Thanks~
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Albert666
Posted on Sunday, April 01, 2012 - 09:06 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

http://www.badweatherbikers.com/buell/messages/290 431/673575.html?1333105329
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