YG125-30A Maintenance Manual
Front wheel, front suspension device and steering stem
121
Warning:
When it is replaced with a new brake strip or brake
disc, do not drive it immediately; instead, drive it after
holding and releasing the front brake handle until the
brake strip and the brake disc are well engaged.
Front brake disc inspection
Measure the thickness of the brake disc with an outside
micrometer; if the thickness is no more than 3mm, replace
the front brake disc. Measure the runout of the brake disc
with a dial gauge;
maintanence limit:0.2mm
O
utside micrometer
D
Dial gauge
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