Yamaha XVS650 Service Manual page 167

CRANKSHAFT AND CONNECTING RODS
I
ENG
I
~I
BEARING COLOR CODE
1 blue
2 black
3
brown
4 green
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9.Measure:
• Oil clearance (main journal)
Out of specification
-7
Replace the bear-
ing.
Oil clearance (main journal):
0.020 ~ 0.052 mm
(0.0008 ~ 0.002 in)
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Measurement steps:
:'.
On the journal, the larger value is used as a
basis for calculation of the oil clearance,
and on the journal bearing, the smaller
value is used.
• Clean the surface of main journal and
journal bearings.
• Check the bearing surface. If the bearing
surface is worn or scratched, the bearings
should be replace.
NOTE: _
If either of the right or left journal bearing is
worn or scratched, both bearings should be
replaced as a set.
• Measure the outside diameter
®
of each
main journal at two places. If it is out of
specification, replace the crankshaft.
• Measure the inside diameter (S) of each
journal bearing at two places.
Outside diameter limit (main
journal):
44.95 mm (1.77 in)
4·60