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40
3.
ENGINE
Fig. 3. 78
Assembling the oil
filt
er
rotor
CD
16
mm
lack
nut
®
Oil filter
rotor
@
Tongued
washer
Fig.
3. 79
Assembling the oil
filter
cap
CD
Oil
filter
rotor
®
Oil
frlter cap
Fig. 3
.
81
Clutch adiusting mechanism
F.
Oil Filter Reassembly
1.
Clean
the inside
of
the
oil
f11ter
rotor
and
assembly.
After
cleaning
all
of
the
parts,
perform
reassembly
in
the
reverse order
of
assembly.
2.
Make sure
that the 1
6 mm mounting
nut
is
properl
y
torqued
and locked to prevent
loosening.
(Fig. 3. 78)
3.
Aligned filter cap
head
to
the groove incorpo-
rated within
the rotor wall,
assemble the f11ter
cap, install set the circlip.
(Fig.
3. 79)
G.
Clutch
The function
of
the
clutch is to transmit power
from the
crankshaft
to the transmission main shaft
by
the
friction
between
the
clutch
friction
disc
and the clutch
plate.
The clutch on the
450
is
a
multiple
disc wet
type
clutch with
a
friction
disc
bonded to a core having a good
heat
dissi-
pating characteristic
.
When the clutch
is
engaged,
the clutch center
rib is locked
to
the
clutch pressure
plate
(J) by
the friction
between
the
clutch
frict
ion
disc
®
and clutch plate
@)
due to the
force of
the clutch spring
®
·
The
clutch outer
@
and the
clutch
center
®
become an
integral
unit,
transmit-
ting
the
power from the
crankshaft
to the trans-
mission main shaft by
the
way of
the primary drive
gear
CD,
clutch outer
@
,
clutch
friction
disc
®,
clutch
plate
@)
and clutch center
®·
{Fig. 3. 80)
When the
clutch
lever
is
pulled,
the connecting
clutch
cable
causes the
clutch
lifter
thread
@,
which
incorporates
a
helical thread
to
rotate
and
move
inward,
applying a force
against the
clutch pressure
plate (J) through
the
t
l
O steel
ball
@,
clutch lifter
rod
®
and clutch
lifter
joint
piece
®·
The force
applied to the clutch pressur"8 plate
compresses the
clutch
springs
®
and
disengages
the
clutch
friction
discs
®
from the clutch plates
@)
,
resulting in
the
di scontinuity
of
the
power
transmission.
The
clutch
frictiol'1
discs
;
clutch
outer
@
and
the
primary
drive
gear
CD
being
integrally connected
to
the crankshaft, rotates freel
y,
whereas, the clutch
plates, clutch
center
®
,
clutch
spring, clutch pres-
sure plate,
clutch lifter
piece
®
and clutch
lifter
rod remain
stationary
or revolve
with
the trans-
mission mainshaft independent of
the
crankshaft.
Clutch adjustment is made
by loosening the clutch
adjuster fixing
piece
lock
bolt
@
and turning the
clutch adjuster
@.
(
Fig. 3. 81)
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