Replace it if necessary.

Inner Tube Inspection
Spring Tension InspectionFront Master Cylinder Removal
Remove the reservoir mounting bolt and nut [A].
Unscrew the banjo bolt [A] and disconnect the brake hose
from the master cylinder (see Brake Hose and Pipe Replacement
in the Periodic Maintenance chapter).
Unscrew the clamp bolts [B], and take off themaster cylinder
as an assembl ...
Air Intake Solenoid Valve (Service Code 2d, Equipped Models)
Air Intake Solenoid Valve Removal/Installation
Refer to the Air Intake Solenoid Valve Removal/Installation
in the Fuel System (DFI) chapter.
Air Intake Solenoid Valve Inspection
Refer to the Air Intake Solenoid Valve Unit Test in the
Electrical System chapter.
If the air intake ...
Before Servicing
Before starting to perform an inspection service or carry out a disassembly
and reassembly operation
on a motorcycle, read the precautions given below. To facilitate actual
operations, notes, illustrations,
photographs, cautions, and detailed descriptions have been included in each
chapter w ...