Honda CB125F 2017 Owner's Manual page 52

Maintenance Fundamentals
#
Inspecting Tread Depth
Inspect the tread wear indicators. If they
become visible, replace the tyres immediately.
T.W.I
Wear indicator
location mark
48
WARNING
3
Riding on tyres that are excessively
worn or improperly inflated can cause a
crash in which you can be seriously hurt
or killed.
Follow all instructions in this owner's
manual regarding tyre inflation and
maintenance.
Germany
German law prohibits use of tyres whose tread
depth is less than 1.6 mm.