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Power Unit
24) Inspection of Piston Pin
1.
Measure piston pin outer diameter. Replace if it is less
than specified value.
Piston Pin Outer Diameter : Standard value
16.00 mm (0.6299in)
Functional Limit :
15.97 mm (0.6287 in)
Measure piston pin boss hole inner diameter a.
2.
3.
Obtain clearance between piston pin and pin boss.
Replace piston pin or piston if the clearance is over
specified value.
Clearance between Piston Pin and Pin Hole :
0.002 - 0.012 mm (0.00008 - 0.00047 in)
Functional Limit :
0.040 mm (0.00157 in)
25) Inspection Connecting Rod Small
End Inner Diameter
Measure connecting rod small end inner diameter a .
1.
Replace if it is over specified value.
Connecting Rod Small End Inner Diameter a :
Standard value
14.01 mm (0.5516 in)
Functional Limit :
14.04 mm (0.5528 in)
26) Inspection of Connecting Rod Big
End Inner Diameter
1.
Wipe off oil from crankshaft and connecting rod big end
bearing.
Set plastic gauge 1 on the crank pin.
2.
3.
Install connecting rod and tighten bolts to specified torque.
Connecting Rod Bolts 2 :
1st tightening torque : 6 N · m (4 lb · ft) [0.6 kgf · m]
2nd tightening torque : 12 N · m (9 lb · ft) [1.2 kgf · m]
5-34
a
a
1 1
2 2
4st 4/5/6 2020
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