Snowmobile Arctic Cat (2004 year). Manual - part 45

4-15

4

4. Insert the needle jet into position from the top of

the carburetor making sure the groove in the
needle jet is aligned with the pin in the mixing
body; then place the jet extender, baffle ring, and
main jet into position and secure.

AH084

5. In order, place a washer, plate, washer, and inlet

seat into position and secure. Install the inlet
needle valve and secure with the retainer.

B347

6. Place the float arm into position and secure with

the pin.

AH138

7. Check the float arm height. Using a calipers,

measure the distance from the gasket surface to the
top of the float arm (with the carburetor inverted).
If measurement is not within specifications, adjust
by bending the actuating tab.

AH046

8. Place the O-ring and drain plug into position and

secure; then place the floats into position making
sure the word UP is properly positioned. Press the
caps onto the float towers.

B344

9. Place the gasket and float chamber into position

and secure with the four screws and lock washers
making sure the hose plates are properly
positioned on the two front screws. Install the vent
hoses.

AH137

10. Place the E-clip into position on the jet needle.

From the bottom of the jet needle, slide the E-clip
washer up against the E-clip. Place the jet needle
into the piston valve. Place an E-clip washer on
the jet needle above the E-clip.

FLOAT ARM HEIGHT

VM-32/34

22-24 mm (0.86-0.94 in.)

VM-38

17-19 mm (0.66-0.74 in.)

4-16

„

NOTE: Place the E-clip in the proper position as

noted in disassembly.

725-266C

11. Place the cable retainer into the piston valve and

secure with the Phillips-head screw. Place the
spring and plate over the throttle cable and
compress the spring. Guide the cable end down
into the cable retainer slot and slide the cable end
to the center of the piston valve. Release the spring
and retainer plate to lock the cable in position.

AH075

„

NOTE: The round part of the cable end must

come through the hole in the plate. If it doesn't, the
cable isn't assembled to the piston valve correctly.

12. Thread the plunger cap onto the choke cable. Place

the spring over the cable end and compress.
Position the cable end into the starter plunger and
release the spring.

Assembling Carburetors

(TM-Style)

1. Place the throttle valve into the mixing body

making sure the cutaway faces the funnel
assembly side; then slide the bushing assembly/
plate onto the lever assembly. Secure the assembly
with the remaining bushings with clip, plate,
washer, and E-clip.

„

NOTE: When installing the throttle valve, the cut-

away must face the funnel assembly side.

AH628D

AH627D

2. Making sure the cap, spring, washer, and rubber

washer are accounted for from disassembly, install
the fuel mixture screw in the mixing body.

AH626D

3. Rotate the fuel mixture screw clockwise until

lightly seated; then rotate the mixture screw
counterclockwise the same number of turns as
noted in disassembling for an initial setting.

4. Move the throttle lever to the full-open position;

then secure the funnel assembly w/gasket to the
mixing body.

! CAUTION

Do not force the mixture screw when seating.
Forcing the mixture screw may result in damage
to the screw taper and/or mixing body.

4-17

4

AH623D

AH622DA

5. Accounting for the O-ring from disassembly,

install the float assembly by pressing in on the
screw mounting holes; then secure the float
assembly with the screws.

„

NOTE: It may be necessary to use a spray lubri-

cant such as WD-40 to aid in installing the float
assembly.

AH621D

AH620D

6. Install the starter jet, pilot jet, and main jet (with

washer).

AH619DA

7. Place the float chamber and O-ring into position

on the mixing body; then secure with the screw
and drain plug (with O-ring).

AH618D

8. Place the washer and E-clip (above the washer)

onto the jet needle; then install the jet needle
assembly into the mixing body. Secure with the
retaining plate and screw.

4-18

AH617D

AH616DA

9. Place the top cap and gasket on the mixing body;

then secure with the screws (with washers).

AH615D

„

NOTE: If the lever assembly was loosened from

the throttle lever shaft, the carburetors must be
synchronized.

Installing Carburetor

(VM-Style)

„

NOTE: On twin carburetor models, install the

carburetors using this basic procedure.

1. Place the carburetor into position in the flange and

air-intake silencer boot; then tighten the flange
clamp making sure the carburetor is level. Do not
over-tighten the flange clamp as it will damage the
carburetor flange.

AH103

„

NOTE: Slide the carburetor into the air-intake

silencer boot; then slide the carburetor into the
flange.

2. Connect the fuel hose to the carburetor inlet

fitting.

3. Thread the brass choke-cable housing into the

carburetor making sure the washer is properly
positioned and tighten securely.

AH099

4. Place the piston valve into position making sure

the full-length groove in the piston valve is aligned
with the pin in the mixing chamber bore.

AH100