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front brake judder |
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CHURCH
Moto3 racer Joined: 11 Feb 2008 Status: Offline Points: 51 |
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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
Premium Member Joined: 11 Feb 2008 Location: Bonnybridge Sco Status: Offline Points: 1712 |
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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
Moto3 racer Joined: 11 Feb 2008 Status: Offline Points: 51 |
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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
Moto3 racer Joined: 11 Feb 2008 Status: Offline Points: 51 |
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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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Lateshift
Moto GP Alien Joined: 11 Feb 2008 Location: East Lothian Status: Offline Points: 938 |
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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
Moto3 racer Joined: 11 Feb 2008 Status: Offline Points: 51 |
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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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matfu mille r
Moto3 racer Joined: 11 Feb 2008 Status: Offline Points: 72 |
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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
Moto3 racer Joined: 11 Feb 2008 Status: Offline Points: 51 |
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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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jack.pe
Moto3 racer Joined: 11 Feb 2008 Status: Offline Points: 44 |
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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
Moto3 racer Joined: 11 Feb 2008 Status: Offline Points: 51 |
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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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