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the specified value, replace it.
End face clearance (during installation): Top ring 0.15～0.30 mm
Second ring 0.70～0.90 mm
Oil ring 0.20～0.70 mm
3. Install the piston ring on the piston, and measure the clearance between the piston ring
and the piston ring groove with a clearance gauge; If it does not meet the specified value,
replace it.
Specified clearance: Top ring 0.04~0.08 mm
Second ring 0.03~0.07 mm
Oil ring 0.03~0.15 mm
Inner diameter of connecting rod small end
Measure the inside diameter of the small end. If it does not meet the specified value, replace
it.
Inner diameter of small end: 18.005～18.018 mm
Inner diameter of connecting rod large end
Measure the inner diameter of the large end. If it does not meet the specified value, replace
it.
Inner diameter of the large end: 50.025～50.045 mm
Note:
Tighten the connecting rod bolt at the specified torque before measurement
Specified torque: 13 Nm for the first time
35 Nm for the second time
Connecting rod large end backlash
Measure the large end backlash.
If it does not meet the specified value,
replace the connecting rod or crankshaft or both.
Large end backlash: 0.15～0.30 mm
Crankshaft
1. Measure crankshaft journal diameter, crank pin diameter and crank pin width. If they do
not meet the specified value, replace the crankshaft.
Diameter of
crankshaft
journal
51.982~52.000mm
Crank pin
diameter
46.982~47.000mm
Crank pin
width
21.000~21.100mm
2. Check the crankshaft runout; If it exceeds the specified value, replace it.
a
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