Yamaha VMX12 2001 Service Manual page 202

CRANKSHAFT
NOTE:
@
• Align the projections of the balancer shaft
journal lower bearings with the notches in the
lower crankcase.
• Do not move the crankshaft until the clear-
ance measurement has been completed.
@
f. Tighten the bolts to specification in the tight-
ening sequence cast on the crankcase.
Crankcase bolt
24 Nm (2.4 m • kg)
NOTE:
@
Lubricate the bolt threads with engine oil.
@
g. Remove the lower crankcase and the bal-
ancer shaft journal lower bearings.
h. Measure the compressed Plastigauge
width 2 on each balancer shaft journal. If
the balancer shaft-journal-to-balancer shaft-
journal-bearing clearance is out of specifi-
cation, select replacement balancer shaft
journal bearings.
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL
2. Select:
• balancer shaft journal bearings (J
NOTE:
@
• The numbers È stamped into the balancer
shaft web and the numbers 1 stamped into
the lower crankcase are used to determine
the replacement balancer shaft journal bear-
ing sizes.
• "J ~ J " refer to the bearings shown in the
5 6
balancer shaft illustration.
• If "J ~ J " are the same, use the same size
5 6
for all of the bearings.
@
For example, if the crankcase "J
ancer shaft web "J
respectively, then the bearing size for "J
4 - 72
ENG
~ J
5
" and bal-
5
" numbers are "6" and "2"
5
®
)
6
" is:
5