MIDDLE
GEAR
I
ENG
I
\.1
6.Tighten:
• Bolts (driven gear bearing housing)
CD
~25
Nm
(2.5 m . kg,
18.1
It
. lb) I
NOTE:
_
Tighten the bolts carefully, one thread turn
at
a time, only. Push in the bearing housing
and tighten the bearing housing bolts.
Do
not
overtighten
the
bearing housing
bolts
or
you
may
obtain
too
little
gear
backlash and cause damage
to
the
gears.
If
over
tightened, loosen
the
three
bolts
so
that
the
crankcase/bearing housing clear-
ance
is
about
2
mm
and repeat all previous
steps.
7.Repeat steps #4 and #5 until the correct
gear backlash is achieved.
Backlash (gear):
0.05
,."
0.10
mm
(0.002
,."
0.004 in)
8.Measure:
• Crankcase/bearing housing clearance
Use a feeler gauge
9.Select:
• Shim(s)
**********************************
Selection steps:
.For
example,
the
clearance between
the
crankcase and
the
bearing housing is
0.46
mm
(0.018 in).
• The shim
can
only
be selected in 0.05
mm
(0.001 in) increments, round
off
the hun-
dredths
digit
and select the appropriate
shim(s).
Hundredths Rounded value
0,
',2
0
3, 4, 5, 6,
5
7,8,9
10
4 -
81
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