Honda CBR125R Owner's Manual page 328

REAR WHEEL/SUSPENSION
Remove both swingarm pivot caps.
Remove the swingarm pivot nut, pivot bolt and
swingarm.
DISASSEMBLY
Remove the drive chain adjusters and rubber collar.
Remove the screw and collar.
Remove the drive chain slider by releasing the slider
slits from the swingarm tab.
Check the drive chain slider for wear or damage.
14-14
CAP
SWINGARM
DRIVE CHAIN ADJUSTERS
CHAIN SLIDER
TAB/SLITS SCREW/COLLAR
NUT/BOLT
COLLAR