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Power Unit
40) Inspection of Crankshaft
Measure the crankshaft journal outer diameters a and
1.
crank pin outer diameters b. Replace the crankshaft if
less than the specified limit.
Crankshaft Journal Outer Diameter a:
Standard Value
33.988 to 33.996 mm (1.3381 to 1.3384 in)
Crank Pin Outer Diameter b:
Standard Value
28.972 to 28.985 mm (1.1406 to 1.1411 in)
Functional Limit
Crankshaft Journal Outer Diameter a:
Replace if 33.97 mm (1.3374 in) or less
Crank Pin Outer Diameter b:
Replace if 28.94 mm (1.1394 in) or less
2.
Measure the crankshaft runout. Replace the crankshaft if
greater than the specified value.
Crankshaft Runout Limit:
0.03 mm (0.0012 in)
3.
Side Clearance
Side Clearance:
0.05 - 0.15 mm (0.0020 - 0.0059 in)
Functional Limit:
0.6 mm (0.0236 in)
If the side clearance is out of the specified range, measure
the crankshaft width c and cylinder block width d, and
replace the part having a width out of the specified range.
Crankshaft Width c: Standard Value
17.05 - 17.10 mm (0.6713 - 0.6732 in)
Cylinder Block Width d: Standard Value
16.95 - 17.00 mm (0.6673 - 0.6693 in)
5-70
4st 25/30 2022
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