Replace it if necessary.

Inner Tube Inspection
Spring Tension InspectionIntake Air Temperature Sensor Resistance Inspection
Remove the intake air temperature sensor (see Intake Air
Temperature Sensor Removal).
Suspend the sensor [A] in a container of machine oil so
that the heat-sensitive portion is submerged.
Suspend a thermometer [B] with the heat-sensitive portion
[C] located in almost the same depth with ...
Cylinder Compression Measurement
NOTE
Use the battery which is fully charged.
Warm up the engine thoroughly.
Stop the engine.
Remove the spark plugs (see Spark Plug Replacement in
the Periodic Maintenance chapter).
Attach the compression gauge [A] and adapter [B] firmly
into the spark plug hole.
Using the startermo ...
Wear Inspection
Remove the left front footpeg bracket
bolts.
A. Front Footpeg Bracket
B. Bolts
Remove the bolts and chain cover.
A. Bolts
B. Chain Cover
Stretch the chain taut either by using
the chain adjusters, or by hanging a
10 kg (22 lb) weight on the chain.
Measure the lengt ...