Honda CBR125R Owner's Manual page 235

Remove the clutch outer guide and washer from the
mainshaft.
INSPECTION
CLUTCH LIFTER BEARING
Turn the inner race of the lifter plate bearing with
your finger.
The bearing should turn smoothly and quietly.
Also check that the bearing outer race fits tightly in
the lifter plate.
Replace the bearing if the inner race does not turn
smoothly, quietly, or if the outer race fits loosely in
the lifter plate.
CLUTCH SPRING
Check the clutch spring for fatigue or damage.
Replace the clutch
springs as a set.
Measure the free length of the clutch spring.
SERVICE LIMIT: 38.3 mm (1.51 in)
CLUTCH CENTER
Check the grooves of the clutch center for nicks,
indentations or abnormal wear made by the clutch
plates.
CLUTCH/GEARSHIFT LINKAGE
CLUTCH OUTER GUIDE
GROOVE
WASHER
BEARING
CLUTCH CENTER
10-11