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bleeding brakes.
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bleeding brakes. - October 30, 2009, 12:09 PM

Just changed my rotors on 2007 r1. Now the problem im having is I cant get steady pressure on the lever. I can squeeze the lever a couple time until it gets hard. but when I start to roll the front wheel and squeeze the front brake theres no pressure until you pump(squeeze) it a couple times.
When I went to bleed the brakes there is brake fluid coming out the bleeders oin the calipers and master cylinder.any help would be great. I never had this problem before.


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October 30, 2009, 12:24 PM

One good technique is to do a typical bleed job...
pump, bleed at both calipers then bleed at the M/C nipple then put a zip tie on the brake lever. This will force the air out of all the nooks and crevests and go to the top. Then bleed from the nipple a few times only again.

I normaly leave my brake lever zip tied for a few days to a week... but most say all you need is 1 hour to 4 hours.

It's work for me for years now.


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October 30, 2009, 12:26 PM

Try bleeding the brakes again. Makes sure that you crack the bleeder valve only slightly to let air/fluid out . Each time make sure you close the valve before brake lever touches the handlebar. Try that till you get steady pressure.


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October 30, 2009, 12:53 PM

sounds like a bent rotor~



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October 30, 2009, 12:56 PM

It a straight rotor... Hopefully. Thats why im replacing the rotors in the first place.


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October 30, 2009, 12:57 PM

what happens with a bent rotor is it pushed the calipers back in and u lose pressure so it sounds like the problem~



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October 30, 2009, 12:59 PM

Do you leave the master cylinder open when bleeding? Its funny cause i can pump the lever and it gets hard. But when i move the bike(spin wheels) and then apply brake there is no pressure. I would have to pump it 2-3 times more to get pressure.


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October 30, 2009, 01:00 PM

rotor , ive seen this before~



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October 30, 2009, 01:06 PM

Man... I think i got ripped off on ebay!


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October 30, 2009, 01:07 PM

welcome to the ebay sucks club


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October 30, 2009, 01:09 PM

ehhh that sucks~



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October 30, 2009, 01:21 PM

yep sounds like bent rotor for sure... i just posted up bleeding procedures...
Ebay is the scam central...

I look stuff up on ebay first then look up the same thing on Amazon.com...
I normaly find it cheaper, from bike stores and super reliable with seller rattings.

You can get some Galfer wave rotor knock offs for about $189





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October 30, 2009, 01:22 PM

This is my second set i bought too. I could of just gotten aftermarket rotors with the money i spent so far.
I jad a bent rotor once and it didnt do this problem. You really think its the rotor?


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October 30, 2009, 01:23 PM

I have some used rubbers for sell on ebay.


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October 30, 2009, 01:25 PM

Are the knockoffs good? Will they hold up to track abuse. Send me a link to the rotors vonstallin


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