HYOSUNG RX 125 Service Manual page 140

AXLE SHAFT
Using a dial gauge, check the axle shaft for runout
and replace it if the runout exceeds the limit.
Dial gauge(1/100) : 09900-26006
Magnetic stand : 09900-20701
"V"Block : 09900-21304
Axle shaft runout
WHEEL RIM
Make sure that the wheel rim runout does not
exceed the service limit when checked as shown.
An excessive amount of runout is usually due to
loosen spokes or a bent wheel rim.
If properly tightening the spokes will not correct the
runout, replace the wheel rim.
CAUTION
Worn or loose wheel bearings must be replaced
before attempting to true wheel rim.
Wheel rim runout
(Axial and Radial)
SPROCKET
Inspect the sprocket teeth for wear. If they are worn
as illustrated, replace the sprocket and drive chain.
Service limit 0.25 mm
Service limit
2.0 mm
Normal wear
CHASSIS 6-28
Excessive wear