Do not remove pressed oil or grease seals unless removal is necessary. Replace with new ones whenever removed.
Press new oil seals with manufacture and size marks facing out. Make sure the seal is aligned properly when installing.

Apply specified grease to the lip of seal before installing the seal.

Circlips, Cotter Pins
Replace the circlips or cotter pins that were removed with new ones. Take care not to open the clip excessively when installing to prevent deformation.

Ball Bearing and Needle Bearing
LubricationIntake Air Pressure Sensor #1 Removal
NOTICE
Never drop the intake air pressure sensor #1 especially
on a hard surface. Such a shock to the sensor
can damage it.
Remove:
Air Cleaner Housing (see Air Cleaner Housing Removal
in the Fuel System (DFI) chapter)
Intake Air Pressure Sensor #1 Connector [A]
Remove the intake air ...
Check 3-3: High Beam Indicator Light (LED) Inspection
Connect the leads in the same circuit as Check 3-2.
Connect the terminal [7] to the battery (+) terminal.
Check that the high beam indicator light (LED) [A] goes
on.
If the indicator light does not go on, replace the meter unit.
...
Rear Wheel Removal
Raise the rear wheel off the ground with the stand [A].
Remove:
Cotter Pin [A]
Rear Axle Nut [B]
Washer [C]
Rear Axle [D] (from Right Side)
Remove the rear wheel rotation sensor from the caliper
bracket (see Rear Wheel Rotation Sensor Removal in the
Brakes chapter).
...