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front brake judder

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CHURCH View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote CHURCH Quote  Post ReplyReply Direct Link To This Post Topic: front brake judder
    Posted: 06 Jul 2006 at 21:17
hi all,i have an 02 mille and i have just started to notice a juddering coming up through the bars under heavy braking,anybody got any ideas as to what it may be? feedback would be appreciated as i have a trackday approaching in a couple of weeks. GIZ IT ERE,AAARL DO IT!!
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RSV_Ecosse View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote RSV_Ecosse Quote  Post ReplyReply Direct Link To This Post Posted: 06 Jul 2006 at 21:32
Common problem, mostly caused by the disc bolts/buttons becoming seized over time and not allowing the discs to "float" as they should. Quite easy to check/fix, this thread should help with a description of how to do it, including a couple of pictures:- http://www.apriliaforum.com/forums/showthread.php?t=50811&highlight=disc+buttons
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CHURCH View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote CHURCH Quote  Post ReplyReply Direct Link To This Post Posted: 06 Jul 2006 at 22:08
cheers ecosse i may give that a try although i am not the best at fiddling with stuff as my patience wears thin quickly!![:(!] GIZ IT ERE,AAARL DO IT!!
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CHURCH View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote CHURCH Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jul 2006 at 11:32
just been to my local aprilia dealer who checked the bike on the roller and it turns out my discs are starting to warp.[:(] anybody know where to get a set reletivly cheap? GIZ IT ERE,AAARL DO IT!!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Lateshift Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jul 2006 at 12:39
How did he check the run out on the rotors ? The last time i checked the run out for slight warping was with the rotor off completely, i have never seen it done that way before (interested). As far as the rotors go its going to come down to what sort of budget you have, they can go from anywhere in the region of 120 a side up to 200. 06 RSVR
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CHURCH View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote CHURCH Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jul 2006 at 17:59
all they did was wheel it on to some rollers built into the floor then got the front wheel turning,the machine was spitting out various numbers and he told me they were warped,you must be allowed 10% variation i would imagine as he said mine were just under 10 and they were on the way out? any ideas,it was a main aprilia dealer so i would hope they are not ripping me off. GIZ IT ERE,AAARL DO IT!!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote matfu mille r Quote  Post ReplyReply Direct Link To This Post Posted: 20 Jul 2006 at 20:34
Hey boys[:)], I had a similar prob[:(!][:(!][:(!], and it was down 2 loose/worn head bearings, give them a check, worth a try[:p][:p] Matt[}:)][}:)] Grip it and rip it
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allconfusedat39 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote allconfusedat39 Quote  Post ReplyReply Direct Link To This Post Posted: 27 Jul 2006 at 19:46
i had same prob while back .. warped discs .. apparently very common .. picked up used set for 140 from bikebitsrus .. very good to me they have been .. 01432265458 .. give em a try
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jack.pe Quote  Post ReplyReply Direct Link To This Post Posted: 03 Aug 2006 at 08:15
Yep, I had the same problem, tried everything with the buttons and stuff but they were not seized, in the end fot a pair of second hand discs from Ebay....that solved it!
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CHURCH View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote CHURCH Quote  Post ReplyReply Direct Link To This Post Posted: 14 Aug 2006 at 17:33
turns out the judder problem i was experiencing is not the discs the head bearings need replacing at a cot fitted of 160 at my local aprilia dealer![:(][:(] GIZ IT ERE,AAARL DO IT!!
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