ENGINE 3-69
• Remove the middle crankcase and measure the width of the
compressed plastigauge using the envelope scale. This mea-
surement should be taken at the widest part of the com-
pressed plastigauge.
Crankshaft journal oil clearance:
Standard: 0.010 – 0.028 mm (0.0004 – 0.0011 in)
Service Limit: 0.080 mm (0.0031 in)
• If the oil clearance exceeds the service limit, select the speci-
fied bearings from the bearing selection table.
• Check the corresponding crankcase journal I.D. code number
", “A”, “B” or “C” which is stamped on the rear of upper
crankcase.
• Check the corresponding crankshaft journal O.D. code num-
ber #, “A”, “B” or “C” which is stamped on the crankshaft.
Bearing selection table
Crankcase I.D. specification
Crankshaft journal O.D. #
Code ABC
Crankcase
I.D. "
A Green Black Brown
B Black Brown Yellow
C Brown Yellow Blue
Code I.D. specification
A
38.000 – 38.006 mm
(1.4961 – 1.4963 in)
B
38.007 – 38.012 mm
(1.4963 – 1.4965 in)
C
38.013 – 38.018 mm
(1.4966 – 1.4968 in)
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