Yamaha VMX12HC (1995) [173/405] Middle gear service

Yamaha VMX12HC (1995) [173/405] Middle gear service
MIDDLE GEAR SERVICE
0.
1,2
3.4.
6
U
0
5
3
-
49
6. Tighten:
Bolt
(Three)
Tightencarefully one
-
threadturn only. Push
in bearing housing and hold in position
while tightening bearing housing bolts.
10
Do not overtighten bearing housing bolts or you
may obtain too
little
gear lash and cause damage
t o gears.
If
over tightened, loosen the
3
bolts
so
that crankcase/bearing housing clearance
is
steps.
about
2
mm
(0.08
in) and repeat
all
previous
Thickness
(mm)
7.
Repeat steps 4 and
5
u n t i l corr ect gear lash
is
achieved.
0.1
0
0.15
0.30
0.50
0.60
Middle Gear Lash:
0.05
0.12
mm
(0.002
0.005
in)
8.
Measure:
Crankcase/bear
i
ng housing clearance
Use
a
Feeler Gauge.
9.
Select:
By
the following steps.
Example: Selection
of
the driven pinion gear
shim;
If the clearance
is
0.46 mm.
shim can only be selected in 0.05 mm
increments, round off hundredths digit and
select
appropriate shim
Hundredths
the example above, the measured shim
thickness
is
0.46 mm. The chart instructs
you, however, t o round off the 6 to 5. Thus
you should use 0.15 mm and
0.30
mm
shims.
sizes
are supplied in the following
thickness.
Driven Pinion Gear Shim

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