Husqvarna CR 125 2011 Manual Del Usuario página 94

BRAKE DISC WEAR
Measure the thickness of each disc at the point where it has
worn the most. Replace the disc if it has worn past the service
limit.
Disc Thickness
SERVICE
DISC STANDARD
Front 3 mm 2,5 mm
(0.12 in) (0.10 in)
Rear 4 mm 3,5 mm
(0.16 in) (0.14 in)
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DISC WARPAGE
Measure disc warpage. Service limit for both discs is 0,15 mm
(0.006 in.)
Replace the disc if warpage is more than service limit.
LIMIT