Snowmobile Arctic Cat (2002 year). Manual - part 54

4-9

4

2. Remove the pilot jet.

GF320D

3. Remove the drain bolt securing the float chamber

to the carburetor.

GF321D

4. Remove the splash ring from the carburetor tower.

GF322D

5. Remove the pin securing the float to the carburetor

body; then remove the float and needle valve

assembly.

GF323D

GF324D

6. Remove the main jet and the nozzle from the

carburetor tower.

GF325D

GF326D

4-10

Disassembling 

Carburetor

(VM-Style)

„

NOTE: On twin carburetor models unless there

is a problem with the safety switches, do not
loosen or remove the screws securing the switch
to the carburetor.

1. Remove the four screws and lock washers

securing the float chamber; then remove the float

chamber and gasket.

AH144

„

NOTE: The floats should be removed only if

replacement is necessary or the float chamber
requires cleaning with carburetor cleaner.

2. Remove the caps from the float towers; then

remove the floats. Remove the drain plug and O-

ring.

B344

3. Remove the float arm pin; then remove the float

arm.

AH138

4. Remove the needle valve retainer; then remove the

needle valve. Remove the seat and account for two

washers and a plate.

B347

5. Remove the main jet and baffle ring; then remove

the main jet extender guide from the needle jet.

Push the needle jet out through the top of the

carburetor.

AH084

6. Remove the pilot jet.

! CAUTION

Use care when removing the float arm pin or the
towers may break. Also, the pin must be
removed from its flattened side.

4-11

4

B352

7. While counting the rotations for installing

purposes, rotate the pilot air screw clockwise until

lightly seated; then remove the pilot air screw and

spring.

B350

8. Remove the idle speed screw and spring.

B351

9. Remove the throttle cable from the piston valve;

then remove the valve.

AH074

10. Remove the Phillips-head screw securing the

throttle cable retainer to the piston valve; then

remove the retainer. Account for the jet needle

with E-clip and two washers.

„

NOTE: Note the position of the E-clip on the jet

needle for assembly purposes.

AH042

11. Separate the starter plunger assembly from the

choke cable by compressing the spring and

removing the plunger from the cable; then remove

the spring. Thread the plunger cap off the cable.

! CAUTION

If an engine problem has been experienced due
to improper gas/air mixture, verify the carburetor
jetting and E-clip position with the Specification
Chart and Main Jet Chart on the snowmobile for
altitude, temperature, and type of gasoline.

4-12

Disassembling 

Carburetors

(TM-Style)

AH631DA

„

NOTE: The carburetors do not have to be

removed to change jet needles or main jets; how-
ever, changing throttle valves requires removing
the funnel assemblies. The clearance between the
throttle valve, mixing body, and funnel assembly
(approximately 0.50 mm or 0.020 in.) is normal and
should not be a concern.

AH622DA

„

NOTE: Disassemble the carburetors using this

basic procedure.

1. Loosen the screws (with washers) securing the top

cap to the mixing body; then slide the cap off the

body. Account for the gasket.

AH615D

2. Loosen the screw securing the jet needle retaining

plate; then slide the plate out of the way.

AH616DA

3. Using a pair of needle-nose pliers, remove the jet

needle assembly. Account for the E-clip and

washer.

AH617D

4. Remove the Phillips-head screw and the drain plug

(with O-ring) securing the float chamber to the

mixing body. Remove the chamber and account

for the O-ring.

! CAUTION

Do not loosen the lever assembly from the
throttle lever shaft. If the lever assembly is
loosened, the carburetors must be synchronized.