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.
If bearing play, roughness or binding is found, replace the bearing.
If the seal is torn or is leaking, replace the bearing.

Hub Bearing Lubrication
NOTE
Since the hub bearings are packed with grease and sealed, lubrication is not required.
Hub Bearing Installation
Final DriveECU Power Supply Inspection
Remove the upper air cleaner housing (see Air Cleaner
Element Replacement in the Periodic Maintenance chapter).
Visually inspect the ECU connectors.
If the connector is clogged with mud or dust, blow it off
with compressed air.
Remove the ECU (see ECU Removal).
Visually inspect the ...
Intake Air Pressure Sensor #1 Installation
NOTE
The intake air pressure sensor #1 is the same part as
the intake air pressure sensor #2.
Installation is basically the reverse of removal.
Position the intake air pressure sensor #1 [A] between the
projections [B] on the rubber damper.
Install the rubber damper [A] on the bracket ...
Inquiries to Rider
Each rider reacts to problems in different ways, so it is important to
confirm what kind of condition
the rider is dissatisfied with.
Try to find out exactly what problem occurs under exactly what
conditions by asking the rider; knowing
this information may help you reproduce the prob ...