Yamaha XVS6501997 Service Manual page 164

CRANKSHAFT AND CONNECTING RODS
BEARING COLOR CODE
1
2
3
4
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9. Measure:
S Oil clearance (main journal)
Out of specification ! Replace the bear-
ing.
Oil clearance (main journal):
0.020 X 0.052 mm
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Measurement steps:
CAUTION:
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.
D Clean the surface of main journal and journal
bearings.
D Check the bearing surface. If the bearing sur-
face 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.
D Measure the outside diameter a of each
main journal at two places. If it is out of speci-
fication, replace the crankshaft.
Outside diameter limit (main
journal):
44.95 mm
D Measure the inside diameter b of each jour-
nal bearing at two places.
4-60
ENG
blue
black
brown
green