If they appear damaged or deteriorated, replace them.

Balancer Adjustment
Torque LimiterFuel Filter Cleaning
The fuel filter [A] is built into the fuel pump and can not be
cleaned or checked.
If the fuel filter is suspected of clogging or being damaged,
replace it with the fuel pump as a set.
Fuel Pump Circuit
1. Ignition Switch
2. Engine Stop Switch
3. Joint Connector E
4. ECU
5. Engine G ...
Hub 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 ...
Battery Maintenance
It is the owner’s responsibility to keep
the battery fully charged. Failure to do
so can lead to battery failure and leave
you stranded.
If you are riding your vehicle infrequently,
inspect the battery voltage
weekly using a voltmeter. If it drops
below 12.8 volts, the battery should be
...