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29
Reassembly
Perform the reassembly
in
the
reverse order of
disassembly.
Nole:
I.
Nole
the
righl
position
of
each
component
refering
co Fig.
47--SO.
2.
Replace all circllp,5 wllh
DCW
ones.
3.
Arter
combining
tbc right
crankcase
" ·ith Che left
crankcaw, check
the
transmission
If It engages 511lOOlh.l)'
in
gears.
3.9
Gear
Shift
Mechanism
Description
The
gear
spindle
arm which
is
connected to the gear
shifl
spindle
ro1atcs
the gear shirt drum and
this
causes
the
gear shift fork to move left and right in 1he drum groove.
The gear shift fork is controlled
by the groove in the drum and
this
in
tum
causc:s the gears
10
slide
and
change
gears.
Disassembly
I.
Refer to the
section on crankshaft
disassembly
on
page
24.
By
removing the
right
crankcase,
the
gear
shift
drum and
the
fork assembly
can
be
removed with 1hc
transmission
gear
as
a complete
unit.
Inspection
I.
Measuring
gearshift fork end thickness.
The
shift
fork
end
thi
ckness
is measured with
a micrometer
(Fig.
49).
2.
Measu
ring the
inside
diameter
of
the
gear
shift
fork.
The
inside diameter of
1he
gear shift fork is
measured with
a cylinder gauge or
an
inside
micrometer (Fig.
50).
34.0-34.03
(l.
llU-1 .3395
)
inch(mm)
rYICUI
Limit
Replace if
over
34.2(1.347)
3.
Measuring
the
outside
diameter
of
the
gear
shift
drum
The diameter
is
measured
with a
micrometer
(Fig. 51).
Stan
r
Va.Jue
33.
95-]].,S
(I.J)66-1.33n)
mm(inchl
ScMca.blc
Limn
Replace if under
33.9(1.]JS)
4.
Check
the fork
end
for
bending.
Flg.49
. . . 50
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