NOTICE
Never drop the air switching valve especially on a hard surface. Such a shock to the air switching valve can damaged it.

Air Suction Valve Inspection
Air Switching Valve InstallationHub Bearing Installation
Before installing the hub bearings, blow any dirt or foreign
particles out of the hub with compressed air to prevent
contamination of the bearings.
Replace the bearings with new ones.
Install the bearings by using the bearing driver set which
does not contact the bearing inner race.
...
Balancer Removal
Remove:
Engine (see Engine Removal in the Engine Removal/Installation
chapter)
Oil Pan (see Oil Pan Removal in the Engine Lubrication
System chapter)
Remove:
Balancer Shaft Clamp Lever Bolt [A]
Balancer Shaft Clamp Bolt [B]
Balancer Shaft Clamp Lever [C]
Balancer Shaft [D]
Bal ...
Throttle Control System Inspection
Check the throttle grip free play [A].
If the free play is incorrect, adjust the throttle cables.
Throttle Grip Free Play
Standard: 2 3 mm (0.08
0.12 in.)
Check that the throttle grip [B] moves smoothly from full
open to close, and the throttle closes quickly and completely
by the ...