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Post by baldmeister on Sept 6, 2013 16:58:56 GMT
hi all,
my px 125 2011 disc model, has started to chatter(?) when i pull on the front brake.
looked at the pads-fine,
there doesnt seem to be any play in the steering column (its only done 4000 miles)
would bleeding the brakes help??
any ideas ??
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Post by shipscat on Sept 6, 2013 18:46:26 GMT
when you say clattering/chattering is it noise or vibration ?
it could be your disc is warped a brake disc with 4 thousands of an inch deflection will vibrate like a muthaf**ka when braking
as for bleeding your brakes , if the fluid level dropped or if your bike been on its side it may need bleeding but it wouldn't normally cause clattering/chattering air in a hydraulic system would cause a spongy feeling on the lever
if your pads are ok my bet is play in the steering coulomb bearings
my 2pc
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Post by Robjack on Sept 6, 2013 18:47:30 GMT
Check that the two allen headed bolts that hold the caliper on are tight and maybe put a smear of copper based grease on the back of the pads.
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Post by sbwnik on Sept 6, 2013 21:32:35 GMT
I'd second the forks. Lift the front of the frame over a pair of axle stands and a plank, grab the wheel and rock it backwards and forwards. Any movement and they need tightening up.
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