HYOSUNG Aquila 250 Service Manual page 135

6-7 CHASSIS
● Remove the brake disc.
◉ INSPECTION AND DISASSEMBLY
� TIRE
For inspection of the tire : Refer to page 2-19.
� FRONT AXLE
Measure the front axle runout using the dial gauge. If
the runout exceeds the limit, replace the front axle.
Axle shaft runout
Dial gauge : 09900 - 20606
Magnetic stand : 09900 - 20701
V-block : 09900 - 21304
� WHEEL
Make sure that the wheel runout (axial and radial) does
not exceed the service limit when checked as shown.
An excessive amount of runout is usually due to worn or
loose wheel bearings and can be corrected by replacing
the bearings. If bearing replacement fails to reduce the
wheel.
Wheel runout
(axial and radial)
� WHEEL BEARING
Inspect the play of the wheel bearings by finger while
they are in the wheel. Rotate the inner race by finger to
inspect for abnormal noise and smooth rotation.
Replace the bearing in the following procedure if there is
anything unusual.
Service limit
0.25 mm
Service limit
2.0 mm