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INSP
ADJ
VALVE CLEARANCE INSPECTION AND ADJUSTMENT
N
OTE:
The thickness a of each pad is indicated in
hundreths of millimeters on the pad upper
surface.
• Round off the last digit of the installed pad
number to the nearest increment.
Last digit of pad
number
Rounded value
0, 1 or 2 0
4, 5 or 6 5
8 or 9 10
EXAMPLE:
Installed pad number = 148
Rounded off value = 150
N
OTE:
Pads can only be selected in 0.05 mm incre-
ments.
• Locate the rounded-off value and the mea-
sured valve clearance in the chart “PAD
SELECTION TABLE”. The field where
these two coordinates intersect shows the
new pad number to use.
N
OTE:
Use the new pad number only as a guide
when verifying the valve clearance adjust-
ment.
• Install the new pads 3 and the valve lifters
4.
N
OTE:
• Apply the engine oil on the valve lifters.
• Apply the molybdenum disulfide oil on the
valve stem ends.
• Valve lifter must turn smoothly when
rotated with a finger.
• Be careful to reinstall valve lifters and pads
in their original place.
• Install the camshafts (exhaust and intake).
Refer to “CAMSHAFTS” section in the
CHAPTER 4.