Honda CBR150R Manual page 215

REAR WHEEL/SUSPENSION
DISASSEMBLY
Remove the brake disc bolts and brake disc.
Remove the side collar and dust seal.
Remove the side collar and dust seal.
Remove the driven flange from the left wheel hub.
NOTE:
If you will be disassemble the driven flange, remove the
driven sprocket nuts before removing the driven flange
from the wheel hub.
Remove the damper rubbers and O-ring.
15-5