Honda 2009 CBR1000RR Owner's Manual page 161

Tires
Inspection
Refer to Saf ety Precautions
Whenever you check the tire pressures,
you should also look for:
Bumps or bulges in the side of the tire
or the tread. Replace any tire that has a
bump or bulge.
Cuts, slits, or cracks in the tires.
Replace the tire if you can see fabric or
cord.
Nails or other foreign objects embedded
in the side of the tire or tread.
Excessive tread wear.
152
Servicing Your Honda
on page 92 .
Also, if you hit a pothole or hard object
while riding, pull to the side of the road as
soon as you safely can and carefully
inspect the tires for damage.
Tread Wear
(1)
(1) wear indicator
(2) wear indicator location mark
or
(2)