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c. Check the thickness of the current valve pad.
NOTE:
The thickness "a" of each valve pad is marked in
hundredths of millimeters on the side that touch-
es the valve lifter.
Example:
If the valve pad is marked "155", the pad
thickness is 1.55 mm (0.061 in).
d. Calculate the sum of the values obtained in
steps (b) and (c) to determine the required
valve pad thickness and the valve pad num-
ber.
Example:
1.55 mm (0.061 in) + 0.03 mm (0.001 in) =
1.58 mm (0.062 in)
The valve pad number is 158.
e. Round off the valve pad number according to
the following table, and then select the suit-
able valve pad.
Last digit
0, 1, 2
3, 4, 5, 6
7, 8, 9
NOTE:
Refer to the following table for the available
valve pads.
Valve pad range
Valve pad thickness
Available valve pads
Example:
Valve pad number = 158
Rounded value = 160
New valve pad number = 160
f. Install the new valve pad "1" and the valve lift-
er "2".
Rounded value
0
5
10
Nos. 150–240
1.50–2.40 mm
(0.0591–0.0945 in)
25 thicknesses in
0.05 mm (0.002 in)
increments
3-6
NOTE:
• Lubricate the valve lifter with engine oil.
• The valve lifter must turn smoothly when rotat-
ed by hand.
• Install the valve lifter and the valve pad in the
correct place.
g. Install the exhaust and intake camshafts, tim-
ing chain and camshaft caps.
Camshaft cap bolt
10 Nm (1.0 m·kg, 7.2 ft·lb)
NOTE:
• Refer to "CAMSHAFTS" on page 5-7.
• Lubricate the camshaft bearings, camshaft
lobes and camshaft journals.
• First, install the exhaust camshaft.
• Align the camshaft marks with the camshaft
cap marks.
• Turn the crankshaft clockwise several full turns
to seat the parts.
h. Measure the valve clearance again.
i. If the valve clearance is still out of specifica-
tion, repeat all of the valve clearance adjust-
ment steps until the specified clearance is
obtained.
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7. Install:
• All removed parts
NOTE:
For installation, reverse the removal procedure.
EAS20570
SYNCHRONIZING THE THROTTLE BODIES
NOTE:
Prior to synchronizing the throttle bodies, the
valve clearance and the engine idling speed
should be properly adjusted.
ENGINE
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