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Discussion Starter · #1 ·
I just bought a 08' with 5k miles, and the rear brakes are real catchy. They shake when i get on them a little hard and will lock up here and there. The pads look pretty new and the rotor does not have any rust on it. Im not sure why this is happening, any ideas? thanks
 

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Servo's Eliminatus ;)
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Check to see if it is heat warped.
If so, trash it and buy a new one.
 

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The rears lock up quite easily anyhow... shaking or pulsing would be from warped rotor.
 

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It could have an uneven deposit layer embedded on the rotor surface. You could use one of the several methods of scrubbing the layer off the rotor, or invest in a rotor hone and burnish the layer completely off. Using a rotor hone is fun too :)
 

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Discussion Starter · #5 ·
Check to see if it is heat warped.
If so, trash it and buy a new one.
The rotors look even, i was told i may be braking too hard. Ive never had this happen before and i have ridden other bikes so i dont think it can be something i am doing wrong.
 

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Licensed Dist of HaterAde
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wet sand the face of that rascal and scuff the pads while you're at it.
 

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The rotors look even, i was told i may be braking too hard. Ive never had this happen before and i have ridden other bikes so i dont think it can be something i am doing wrong.
Not possible in the slightest!!!

Go with what the other guys are saying and clean them up or get them replaced. Unless the discs are warped severly, you wouldn't be able to see by spinning the wheel.
:+2: on the rear locking up almost too easily.
Good luck.
 

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Discussion Starter · #11 ·
I have not checked the bolts, but I will have to take it in and have a "specialist" look it over. I appreciate all the help, just frusterating that my baby is acting up...
 

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Not possible in the slightest!!!

Go with what the other guys are saying and clean them up or get them replaced. Unless the discs are warped severly, you wouldn't be able to see by spinning the wheel.
:+2: on the rear locking up almost too easily.
Good luck.
Agree with what Kwakkid :thumbsup: is saying. Had same issue on my Zx9R and after changing rotors problem solved. I had cleaned them up first time :dontknow: but when discs where heating up seems that these where expanding and where warping up. Do not know exactly how because if you look to them they looked rather new, but I took a chance and replaced them and had no issues after.

A friend of Mine had same issue on a KTM front disks, same issue and same solution

Good Luck hope you solve your issue

regards Jo
 

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Servo's Eliminatus ;)
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You can ride the bike to warm up the rotors and see if you can find a buddy
that has a Dial Gauge w/ magnetic or vise grip holder
and check em out yourself.
If no bud, Autozone may rent them, you can call and check them.
They just make you put a deposit down and when you return it,
they give your money back. Or check with NAPA.
But I'm telling ya, if your back brake is getting (grabby) it that rotor.

They look like this:
 

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Servo's Eliminatus ;)
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If you need to know how to use it. PM me and i will
send you my phone # and talk you thru it. :thumbsup:
 

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could it be that the brakes are adjusted too tight?
There is no 'adjusted too tight' !!
If the pistons within the caliper are seized and holding the pad onto the disc. (not releasing when you let go of the lever) That could be the reason the discs are warped in the 1st place due to over heating.
You are going to need to strip the calipers down, free up and clean the pistons (8 of them in total) and replace the discs and pads in one go. Use a workshop manual so you do it right or better still if you have the spare cash, go to a repair shop.
I would stop thinking about it now, if i where you and just get all of the above done.
You don't want to be messing around with the 'stoppers' on a 185bhp 10R.
Problem solved.:thumbsup:
 

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Servo's Eliminatus ;)
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there is no 'adjusted too tight' !!
If the pistons within the caliper are seized and holding the pad onto the disc. (not releasing when you let go of the lever) that could be the reason the discs are warped in the 1st place due to over heating.
You are going to need to strip the calipers down, free up and clean the pistons (8 of them in total) and replace the discs and pads in one go. Use a workshop manual so you do it right or better still if you have the spare cash, go to a repair shop.
I would stop thinking about it now, if i where you and just get all of the above done.
You don't want to be messing around with the 'stoppers' on a 185bhp 10r.
Problem solved.:thumbsup:
:+1:
 

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Servo's Eliminatus ;)
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This is what the vise grip type look like.
 

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