If they appear damaged or deteriorated, replace them.

Balancer Adjustment
Torque LimiterHeadlight Bulb Replacement
Turn the cover [A] counterclockwise, and remove it.
Disconnect the headlight connector [A].
Open the clamp [B], and remove the bulb.
NOTICE
When handling the quartz-halogen bulb, never
touch the glass portion with bare hands. Always
use a clean cloth. Oil contamination from hand ...
Nozzle Assy Disassembly
Remove the nozzle assy (see Nozzle Assy Removal).
Pull out the secondary fuel injectors [A] from the delivery
pipe assy [B].
NOTE
Do not damage the insertion portions of the injectors
when they are pulled out from the delivery pipe assy.
NOTICE
Never drop the secondary fuel injecto ...
Radiator Hose and O-ring Replacement
Drain the coolant (see Coolant Change).
Remove:
Upper Fairing Assembly (see Upper Fairing Assembly
Removal in the Frame chapter)
Thermostat Housing [A] (see Thermostat Removal in the
Cooling System chapter)
Oil Cooler [B] (see Oil Cooler Removal in the Engine
Lubrication System chap ...