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 InstallationRear Shock Absorber Installation
Replace the rear shock absorber nuts and tie-rod nuts
with new ones.
Tighten:
Torque - Rear Shock Absorber Nuts: 34 N·m (3.5 kgf·m, 25
ft·lb)
Tie-Rod Nuts: 34 N·m (3.5 kgf·m, 25 ft·lb)
When installing the rear shock absorber bracket [A], install
it so that the recess side [B] ...
Valve-to-Guide Clearance Measurement (Wobble Method)
If a small bore gauge is not available, inspect the valve
guide wear by measuring the valve to valve guide clearance
with the wobble method as indicated below.
Insert a new valve [A] into the guide [B] and set a dial
gauge against the stem perpendicular to it as close as
possible to the cy ...
KIBS Hydraulic Unit Inspection
Remove the KIBS hydraulic unit (see KIBS Hydraulic Unit
Removal).
Visually inspect the connector terminals [A].
Replace the KIBS hydraulic unit or main harness if either
of the terminals are cracked, bent, or otherwise damaged.
If the KIBS hydraulic unit connector is clogged with mud
or ...