Honda XRE300 Owner's Manual page 174

77
XRE300 · XRE300A
Rear Brake (XRE300)
Check the cut-outs (1) in each pad.
(1) Cut-outs
If either pad is worn to the cut-out, replace both pads
as a set. See your Honda dealer for this service.
(XRE300A)
(1) Cut-outs
(1)
(1)