-
6.
Invert the carburetor and check
the
alignment
between
the
float arm and
the
base
of
the car-
buretor. The
float
arm
must
be parallel to the
base. Bend
the
tab of
the
float
arm to adjust.
(See Fi
gure
3-19.)
7.
In
sert
the
needle
jet
down
through
the
top of
the carburetor, aligning the needle
jet
w ith the
guide
pin
. Hold the needle
jet
in position
while
installing the needle
jet
holder.
8.
Position
the
floats on
the
float
chamber
pins.
Install
the
floats
with
the brass
pins
at
the
bottom.
9. Lubricate
O-ring
with
li
ght
oil.
10.
Place the upper
carburetor
body on the float
chamber body. Hold the
two
castings
together
and
invert
the
carburetor
. Check
for
proper
alignment
of
the
castings. Secure
three
tube
plates
with
four
screws
.
Attach
two
vent
tubes
and power
jet
tube to upper
carburetor
body.
Secure
power
jet
tube
to
float
bowl
and
carburetor body
with
clamps.
1.
Adjust
i
ng
Tab
2.
Float
Arm
Figure
3-19
Installation
1. Install
the
carburetor
on the rubber
flange
and
tighten
the
clamp
screw
to secure the car-
buretor to
holder.
2.
Screw
the
mixing
body top assembly to
the
throttle
cable. (See F
ig
ure
3-17
.)
3.
Insert the
jet
needle
into
the
throttle
slide
valve.
4. Hold
the
throttle
cable and mixing body top as-
sembly in one hand. Place the spring in the top
and
co
mpress
the
sp
ring
so
the
throttle
cable
extends beyond the spring.
5.
Gu
id
e the
throttle
slide valve over
the
throttle
cab
le.
Insert the end of
the
cab le thro ugh
the
hole
in
the thr
ott
le
slide valve slot.
6.
While
keeping the spring compressed, release
the
throttle
valve and install the spring seat
plate. Then re lease the spring.
7.
Install the
throttle
valve
into
the
carburetor
so
the
slot in
the
throttle
valve mates
with
the
10
-
cati
ng
pi n
in
side the
throttle
va
Ive bore. I nsta
II
the mixing body top assembly and
tighten
fin-
ger tigh
t.
Tighten the
throttle
cable locknut.
8. Slide the
enrichener
plunger
cap,
washer
and
spring over the end
of
the
enrichener
cable.
(See Figure 3-18.)
9.
Place the hole in the
starter
plunger
over
the
cable end and spring.
Insert
the
plunger
into
the
carburetor body and
tighten
the
starter
pi unger cap. Bend
washer
plate aga inst cap.
10. Connect the fuel supply and
primer
tubes
onto
the proper carbure
tor
fittings
. Install the
air
silencer
and belt guard. (See Figure
3-16
.)
While
installing
the
air
intake silencer,
check
that
:
1.
The cover is
securely
fastened
to
silencer
body
and
properly
sealed.
2.
The
rubber
seal
between
silencer
body
and
carburetor
fits
securely
during
installation.
3. Intake hose
must
be
directed
rearward.
Failure to
comply
with
the above steps
will
cause
engine
failure
.
Install the
short
spring on the bottom and the long
spri
ng
on the top.
IWARNINGI
While
raising
the
snowmobile
off
the
ground
place
th
e skis
against
a
stationary
object
and
be sure
the
vehicle is
properly
secured
to
prevent
personal
injury
.
11.
Ra
ise the rear of
the
snowmob
ile
off
the
ground. Start the
engine
and
perform
the car-
buretor
ad
jus
tme
nts
as
described in Section 2.
CARBURETOR
3 -
37
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