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ENG
CRANKSHAFT
g. Remove the lower crankcase and the crank-
shaft journal lower bearings.
h. Measure the compressed Plastigauge
®
width c on each crankshaft journal.
If the crankshaft-journal-to-crankshaft-jour-
nal-bearing clearance is out of specification,
select replacement crankshaft journal bear-
ings.
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2. Select:
• crankshaft journal bearings (J1 ~ J5)
NOTE:
_
• The numbers È stamped into the crankshaft
web and the numbers 1 stamped into the
lower crankcase are used to determine the
replacement crankshaft journal bearing
sizes.
•“J1 ~ J5” refer to the bearings shown in the
crankshaft illustration.
• If “J1 ~ J5” are the same, use the same size
for all of the bearings.
• if the size is the same for all “J
1
to J
5
” one
digit for that size is indicated. (Crankcase
side only)
For example, if the crankcase “J
1
” and crank-
shaft web “J
1
” numbers are “6” and “2” respec-
tively, then the bearing size for “J1” is:
“J
1
” (crankcase) – “J
1
”
(crankshaft web) – 2 =
6 – 2 – 2 = 2 (black)
CRANKSHAFT JOURNAL BEARING
COLOR CODE
–1 violet
0white
1blue
2black
3brown