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Suzuki Intruder 1978 - Track, Suspension, and Steering System Theory of Operation

Suzuki Intruder 1978
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1.
Chaincase
2. Drive Sprocket
3. Driven Sprocket
4. Drive Chai n
Figure
2-40
Track, Suspension, and
St
eering System Theory
of Operation
The suspension system
consists
of
the
track, sl ide
asse
mb
ly a
nd
th
e skis. (See Figure 2-41 .)
The
track
provides
floatation
and
propels
the
snow
-
mobile
.
Support
for
the
track
and
suspension
is
provided by
the
slide assembly.
Turning
the
cam on
th
e shock absorber
spring
adjusts
the
suspension
for
the
weight
of
the
rider(s). The
suspension
can
also be
adjusted
for
snow
conditions
and
steering
c
on
trol by
vary
ing
spring
tension
on
the
front
sus-
pens
ion ar
ms
and
changing
the
adjustment
of
the
trave
l
lim
iter.
The
bellcrank
system used in
this
snowmobile
gives
full
utilization
of
the
shock
absorber
. The
bellcrank
design
permits
a
1:1
movement
ratio
between
the
slide rail
upward
travel,
and
the
shock
absorber
piston
and spring
compression
.
For each in.
(25.4
mm)
the
suspension
moves
up-
ward,
the
shock absorber
piston
and
spring
move 1
in.
(25.4
mm)
. (See Figure
2-42
.)
A 1: 1
movement
ratio
resu Its
in
the
follow
i ng
ad
-
vantages:
1. Large
amount
of
shock absorber
piston
travel -
The
more
shock absorber
piston
movement
available,
the
more
effectively
oscillations
can
be dampened,
thus
reducing
the
rebound
normally
associated
when
transversing
bumps.
2. Rising
rate
coil
spring
- Full util ization of
the
load
carrying
capabilities
permitted
by
the
coil
spring
design
to
effectively
reduce
bottoming
out
when
riding
in rough
terrain.
3. The
snowmobile
can
be
suspended
lower
while
allowing
a
maximum
amount
of
suspension
travel
with
a
low
center
of
gravity
.
Two
skis are
attached
to
the
front
of
the
snowmobile
for
steering
control
and
flotation.
A
wear
bar
at
the
bottom
of
the
ski
protects
the
ski
from
wear
and
aids in
steering
control.
The
steering
system
connected
to
the
ski
consists
of
a
spindle,
steering
arm,
tie
rod,
and
handlebars.
Figure 2-41
2-
28
THEORY
OF OPERATION

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