Honda CRF250 RALLY 2018 Owner's Manual page 56

Maintenance Fundamentals
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Inspecting for Abnormal Wear
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Inspecting Tread Depth
Inspect the tread wear indicators. If they
become visible, replace the tires immediately.
For safe riding, you should replace the tires
when the minimum tread depth is reached.
or TWI
Wear indicator
location mark
52
Inspect the tires for
signs of abnormal wear
on the contact surface.
#
Inspecting Rims and Valve Stems
Inspect the rims for damage and loose spokes.
Also inspect the valve stems for their positions.
A tilted valve stem indicates the tube is slipping
inside the tire or the tire is slipping on the rim.
See your dealer.
WARNING
3
Riding on tires 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 tire inflation and
maintenance.