5-96
EPOWRCRANKSHAFT
Tighten the bolts to specification in the
order of the numbers on the crankcase.
Refer to “Crankcase assembly”—
“CRANKCASE”.
Remove the lower crankcase and the
crankshaft journal lower bearings.
Measure the compressed Plastigauge
width c
on each crankshaft journal.
If the crankshaft journal oil clearance is
out of specification, select replacement
crankshaft journal bearings.
c
4. Select:
Crankshaft journal bearings (J
1–J5)
NOTE:
The numbers stamped into the crankshaft
web and the numbers stamped into the lower
crankcase are used to determine the
replacement crankshaft journal bearing
sizes.
“J
1–J5” refer to the bearings shown in the
crankshaft illustration.
If “J
1–J5” are the same, use the same size
for all of the bearings.
For example, if the crankcase “J
1” and crank-
shaft web “J
1” numbers are “8” and “2” respec-
tively, then the bearing size for “J
1” is:
Bearing size of J
1:
“J
1” (crankcase) – “J1” (crankshaft web)
– 1
8 – 2 – 1 = 5 (Red/black)
BEARING COLOR CODE
3 Red/red
4Red/brown
5 Red/black
6 Red/blue
7Red/green
J5J4J3J2J1
J1J2J3J4J5
J5J4J3J2J1
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