![](../../../img/11/AK500660AA00ENG.png)
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Measure the cam
height. Standard
value:
Inlet:
<Except
high power engine> 35.47 mm <High
power engine> 35.42 mm
Exhaust:
35.41
mm
Limit:
Inlet:
<Except
high power engine> 34.97 mm <High
power engine> 34.92 mm
Exhaust:
34.91 mm
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1.Turn the crankshaft
clockwise to bring No. 1 cylinder to the top dead centre
position.
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![](../../../img/11/AK500661AB00ENG.png)
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2.Measure the valve
clearance. If the valve clearance is not as specified,
loosen the rocker arm lock nut and adjust the clearance
using a thickness gauge between the cam shaft and the roller
while turning the adjusting screw. Standard
value (cold engine):
Inlet valve: 0.09
mm Exhaust valve: 0.14 mm
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![](../../../img/11/AK500662AB00ENG.png)
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3.While holding the
adjusting screw with a screwdriver to prevent it from
turning, tighten the lock nut to the specified torque using
special tool valve adjusting socket
(MB992046). Tightening torque: 15 ± 3
N·m 4.Turn the crankshaft 360°
clockwise to bring No. 4 cylinder to the top dead centre
position.
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![](../../../img/11/AK500661AC00ENG.png)
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5.Adjust the valve clearance
at points shown in the illustration. 6.Measure the
valve clearances at the places indicated by arrows in the
illustration. If the clearance is not within the standard
value, repeat steps 2 and 3 above.
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