Replace it if necessary.

Inner Tube Inspection
Spring Tension InspectionHub Bearing Inspection
Since the hub bearings are made to extremely close tolerances,
the clearance can not normally be measured.
NOTE
Do not remove any bearings for inspection. If any bearings
are removed, they will need to be replaced with
new ones.
Turn each bearing in the hub back and forth [A] while
checki ...
Oxygen Sensor Installation (Equipped Models)
NOTICE
Never drop the oxygen sensor [A] especially on a
hard surface. Such a shock to the unit can damage
it. Do not touch the sensing part [B] to prevent oil
contact. Oil contamination from hands can reduce
sensor performance.
Tighten:
Torque - Oxygen Sensor: 25 N·m (2.5 kgf·m, 18 ...
Key Registration
Case 1: When the ignition key has been lost or additional
spare ignition key is required.
Prepare a new spare ignition key.
Cut the key in accordance with the shape of the current
ignition key.
Remove the rear seat (see Rear Seat Removal in the
Frame chapter).
Remove the immobilizer/K ...