Rocker Arm Assembly Removal
Remove the cylinder head cover.
Loosen the rocker arm adjusting screws (A).
Unscrew the rocker shaft mounting bolts two turns at a time in the
sequence shown.
...
Spark Plug Inspection
Remove the ignition coils and the spark plugs.
Inspect the electrodes and the ceramic insulator:
Burned or worn electrodes may be caused by these conditions:
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Driving
This chapter discusses driving, refueling, and information on items such as
accessories. ...