Installing The Crankshaft - Yamaha FZ09E Service Manual

CRANKSHAFT AND BALANCER SHAFT
e. Install the balancer shaft journal lower bear-
ings "1" into the lower crankcase and assem-
ble the crankcase halves.
TIP - - - - - - - - - - - - - - -
• Align the projections "a" of the balancer shaft
journal lower bearings with the notches "b" in
the crankcase.
• Do not move the balancer shaft until the clear-
ance measurement has been completed.
f. Tighten the bolts to specification in the tight-
ening sequence cast on the crankcase. Refer
to "CRANKCASE" on page 5-56.
g. Remove the lower crankcase and the balanc-
er shaft journal lower bearings.
h. Measure the compressed Plastigauge®
width "a" on each balancer shaft journal. If the
balancer shaft-journal-to-balancer shaft-jour-
nal-bearing clearance is out of specification,
select replacement balancer shaft journal
bearings.
~/,,~1v-....
a ~lJ
••••••••••••••••••••••••••••••••
4. Select:
• Balancer shaft journal bearings (J
1
-J
2 )
TIP - - - - - - - - - - - - - - -
• The numbers "A" stamped into the balancer
shaft web and the numbers "B" stamped into
the lower crankcase are used to determine the
replacement balancer shaft journal bearing siz-
es.
• "J
1
"- "
J 2 " refer to the bearings shown in the bal-
ancer shaft and lower crankcase illustration.
• If
"J(- " J
2 " are the same, use the same size for
all of the bearings.
For example, if the crankcase "J ," and bal-
ancer shaft web "J ( numbers are 5 and 2 re-
spectively, then the bearing size for "J ( is:
"J
1
"
(crankcase) - "J
1
"
(balancer shaft web)=
5 - 2 = 3 (brown)
"""""
Bearing color code
1.Blue 2.Black 3.Brown 4.Green
5.Yellow
INSTALLING THE CRANKSHAFT
1. Install:
• Crankshaft journal upper bearings
(into the upper crankcase)
• Crankshaft journal lower bearings
(into the lower crankcase)
• Crankshaft
TIP --------------~
• Align the projections "a" on the crankshaft jour-
5-74