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36
3.
ENGINE
Kick starter ratchet
spindle
ra
chet
spring
Figure
3-
88.
f ·igure 3-89..
Removing
kick starter
.Kick starter s
indle
Kick
spring
Kick starter pinion
22.5mm circlip
0
K!ck starte
.'•
!..:
25mb"' P
o
ratchet
. .
25mm washer
Figure
3-
90.
Component ports
of kick starter
figure
3-
91.
Installing kick starter
spindle
As
the
kick sta
rter
is
depressed
,
the
kick
starter
spindle
rotates
and
the
ro diet,
due
to it
being
held
against
the
ratchet
spindle
in i
he
direction
of
rotation,
moves
in
the
dire
ction
of
ihe arrow
by
f
ol low ing
the
spiral
groove
cut
in
the
spindle
and causes
the
kick
starter
pinion
to
mesh
with
the
counter shaft
low
gear.
The
main shaft being
engaged
to
the
clut ch
center,
transmits th
e
kick starter
torque to
the
e
ngine crank-
shaft
and
turns ove
r
the
engine.
Wh
en
t
he
eng1ne
starts,
the
ro
tating speed
of the pinion
exce
eds
the
spindle
speed,
the
ratchet
due
to
the
rotati
on
of
the
pinion,
rotates
in
the
left
hand
direction in
respect
to the
spindl
e
and
is made
to
disengage
from the
pinion
due to
the
actio
n
of
the
set spring
and the
left
hand
scr ew.
As the
spindle ret urns
t
o
the
o
ri ginal
position
by
the a ction
of
the kick
starter
spr"ing,
the
ratchet
disengages from
the
pinion and returns to the position
for
the
next
kick
cycle.
(Fig.
3-
89)
a.
Disassembly
(
ll
Remove the clutch unit.
(2}
Remove
flywheel
and
stator
assembly.
(3}
Remove4'rhe primary
driven gear.
(4}
Remove
t he
gear
shift spind le
.
(5}
·
Remove the
16mm
ci
rclip
from the kick
starter
spindl
e
and disassemble
the kick spring
·
retainer
and
the kick
starter
spring.
(Fig.
3-89)
(6
}
Separate the
ri
g
ht
and
left
crankcase
halve~
and
then lift out
the
spi
ndle
fr
o
m
the
left crankcase·.
b. Inspection
(
J
}
Inspect
the ratchet
pawl
and the kick starter
pinion teeth, if wo rn excessively,
they
should be
replaced.
c.
Reassembly
(11
Assemble
in
the
r
everse
orde
r
of
disassembly.
(Note)
After installing the
kick starter
spri ng,
check f
or
proper
ki
ck retu
rn
a ction.
(Fig.
3-
91)
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