![](../../../img/11/AK300195AA00ENG.png)
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1.Measure the clearance
between each piston ring and its groove in the piston. If
the limit
is exceeded, replace the ring or piston, or
both. Standard value:
No. 1
ring: 0.030 - 0.070 mm No. 2 ring: 0.02
- 0.06 mm
Limit: 0.1 mm
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![](../../../img/11/AK202611AB00ENG.png)
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2.Install a piston ring into
the cylinder bore and force it down with the head of a
piston
until the ring is at right angles to the cylinder wall.
Measure the end gap with a thickness
gauge. If the end gap is excessive, replace the piston
ring. Standard value:
No. 1 ring:
0.25 - 0.35 mm No. 2 ring: 0.40 -
0.55 mm Oil ring: 0.10 - 0.40
mm
Limit:
No. 1 ring: 0.8
mm No. 2 ring: 0.8 mm Oil ring: 1.0
mm
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1.Wipe off oil from the
crankshaft pin and connecting rod bearing.
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2.Cut a piece of plastigage
whose length is equivalent to the width of the bearing and
place it on the crankshaft pin in parallel with its
axis.
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3.Install the connecting rod
cap carefully and tighten the nuts to the specified
torque.
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4.Remove the nuts, then
remove the connecting rod cap carefully.
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![](../../../img/11/AK300197AG00ENG.png)
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5.Measure the largest width
of the crushed plastigage using the ruler printed on the bag
of the plastigage. Standard value: 0.018
- 0.045 mm Limit: 0.1 mm
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