Replace it if necessary.

Inner Tube Inspection
Spring Tension InspectionTire Removal
Remove:
Wheels (see Front/Rear Wheel Removal)
Valve Core (Let out the air)
To maintain wheel balance, mark the valve stem position
on the tire with chalk so that the tire can be reinstalled in
the same position.
Chalk Mark or Yellow Mark [A]
Valve Stem [B]
Align [C]
Lu ...
Break-in
The first 1 600 km (1 000 mi) that the motorcycle is ridden is designated
as the
break-in period. If the motorcycle is not used carefully during this period, you
may
very well end up with a “broken down” instead of a “broken in” motorcycle after
a
few thousand kilometers.
The fol ...
Valve Guide Removal
Remove:
Valve (see Valve Removal)
Oil Seal
Spring Seat
Heat the area around the valve guide to 120
150°C (248
302°F), and hammer lightly on
the valve guide arbor [A]
to remove the guide from the top of the head.
NOTICE
Do not heat the cylinder head with a torch. This ...