Special Tools Required
Disconnect the secondary HO2S connector (A).

Raise the vehicle on a lift.
Remove the supporters (A), then remove the secondary HO2S (B).

Install the parts in the reverse order of removal.
Rocker Arm and Shaft Disassembly/Reassembly
NOTE:
Identify each part as it is removed so that each item can be reinstalled
in its original location.
Inspect the rocker arm shaft and the rocker arms.
If reused, the ...
Cam Chain Removal
NOTE: Keep the cam chain away from magnetic fields.
Turn the crankshaft pulley so its top dead center (TDC) mark (A) lines up
with the pointer (B).
Remove the cylinder he ...
Rocker Arm and Shaft Inspection
Remove the rocker arm assembly.
Disassemble the rocker arm assembly.
Measure the diameter of the shaft at the first rocker location.
Zero the gaug ...