Yamaha Vmax VMX12N, Supplementary Service Manual

Page: 18 / 405

the bolts to specification
in the
tightening sequence cast
on
the crank-
case.
BoIt
(crankcase-M8)
:
24 Nm (2.4 17
the crankcase (lower) and lower
half of the bearings.
INSPECTION AND REPAIR
BALANCER SHAFT
1.Measure:
Oil clearance (balancer shaft bearing)
Out of specification
Replace bearing.
Oil clearance:
0.020
0.048 mm
(0.0008 0.002 in)
Measurement steps:
the bearings, balancer shaft and
bearing portions of the crankcase.
the crankcase (upper)
o n
a bench in
an upside
down position.
the upper half of the bearings and
the balancer shaft
into
the crankcase
(upper).
a piece of Plastigauge® on each bal-
ancer shaft journal.
the lower half of the bearings into
the crankcase (lower) and assemble the
crankcase halves.
NOTE:
Do not move the. balancer shaft until the oil
clearance measurement has been com-
pleted.
Measure the compressed Plastigauge®
width on each balancer shaft journal.
If
oil clearance is out of specification, select
a replacement bearing.
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