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Snowmobile Arctic Cat (2004 year). Manual - part 43

4-7

0738-091

0738-687

0738-670

0738-671

TM-38

KEY

1. Mixing Body
2. Screw w/

Washer

3. Top Cap
4. Gasket
5. Plunger Cap
6. Guide Holder
7. Starter Plunger

Spring

8. Starter Plunger
9. Gasket

10. Funnel Assy
11. Screw
12. Air Screw
13. Spring
14. Washer

15. O-Ring
16. Throttle Valve
17. Jet Needle
18. Washer
19. E-Clip
20. Retaining Plate

Screw

21. Retaining Plate
22. E-Clip
23. Washer
24. Plate
25. Clip
26. Bushing
27. Lever Assy
28. Float Assy
29. O-Ring

30. Screw
31. Gasket
32. Float Chamber
33. Screw
34. O-Ring
35. Drain Plug
36. Cap
37. Fuel Mixture

Screw

38. Spring
39. Washer
40. Rubber Washer
41. Starter Jet
42. Pilot Jet
43. Main Jet

KEY

1. Carburetor Assy
2. Sensor Assy
3. Screw w/Wash-

ers

4. Bracket
5. Idle Speed

Screw

6. Spring
7. Screw
8. Screw
9. Spring

10. Throttle Stop

Screw

11. Hose Clip
12. Carburetor Assy

13. Bracket
14. Screw
15. Throttle Lever

Shaft Assy

16. Lever Ring

Screw

17. Lever Ring
18. Screw
19. Spring
20. Spacer
21. Spacer
22. Screw
23. Starter Lever
24. Spring
25. Shaft

26. Washer
27. Clip
28. Starter Lever
29. T-Fitting
30. Hose Clip
31. Bolt
32. Hose
33. Hose Clamp
34. Hose
35. Hose Clamp

TM-38

KEY

1. Mixing Body
2. Screw Assy
3. Top Cap
4. Gasket
5. Plunger Cap
6. Spring
7. Starter Plunger
8. Gasket
9. Funnel Assy

10. Screw
11. O-Ring
12. Washer
13. Spring
14. Air Screw
15. Main Jet
16. Pilot Jet

17. Starter Jet
18. Rubber Washer
19. Washer
20. Spring
21. Fuel Mixture

Screw

22. Cap
23. E-Clip
24. Washer
25. Jet Needle
26. Retaining Plate

Screw

27. Retaining Plate
28. E-Clip
29. Washer
30. Plate

31. Clip
32. Bushing
33. Lever Assy
34. Throttle Valve
35. Float Assy
36. O-Ring
37. Screw
38. Gasket
39. Float Chamber
40. Screw
41. O-Ring
42. Drain Plug

TM-40

KEY

1. Carburetor Assy
2. Throttle Stop Screw
3. Spring
4. Bracket
5. Idle Speed Screw
6. Spring
7. Screw
8. Screw
9. Bolt

10. Spacer
11. Sleeve
12. Spring
13. Throttle Lever Shaft Assy

14. Screw
15. Lever Ring Screw
16. Lever Ring
17. Hose Clamp
18. Hose
19. Spacer
20. T-Fitting
21. Carburetor Assy
22. Sensor Assy
23. Screw w/Washers
24. Hose
25. Clip

4-8

Removing Carburetor

(VM-Style)

NOTE: On twin carburetor models, remove the

carburetors using this basic procedure.

1. Turn the gas tank shut-off valve to the CLOSED

position.

2. Loosen the screw and lock plate securing the

mixing body top.

3. Remove the mixing body top by rotating it

counterclockwise; then remove the top with
spring, plate, jet needle with E-clip, and piston
valve from the carburetor.

AH100

4. Remove the brass choke-cable housing from the

carburetor. Account for a washer.

AH099

5. Disconnect the fuel hose from the carburetor inlet

fitting.

AH284D

6. If applicable, disconnect the safety switch wiring

harness connector from the main wiring harness.

7. Loosen the carburetor-flange clamp; then remove

the carburetor.

AH283D

NOTE: Slide the carburetor into the air-intake

silencer boot until free of the flange; then remove
carburetor.

Removing Carburetors

(Standard TM-Style)

1. Remove the machine screw and washer securing

the mounting plate (for the ignition coil and fuel
pump) to the air-intake silencer.

! CAUTION

Keep MAG-side and PTO-side carburetors
identified for installing purposes.

4-9

AN613D

2. Remove the screws securing the air-intake

silencer; then move the silencer forward and out of
the engine compartment.

3. Disconnect the throttle cable and choke cable.

4. Remove the fuel supply hose from the fuel inlet T-

fitting.

5. Loosen the carburetor flange clamps; then slide

the carburetors out of the flanges and out of the
engine compartment.

6. Remove the float chamber vent hoses.

Removing Carburetors

(“Laydown” Engine TM-Style)

1. Remove the expansion chamber and resonator.

2. Route the coolant drain hose through the exhaust

outlet in the belly pan and drain the coolant.

3. Disconnect the four coolant hoses from the

carburetors accounting for four clamps.

4. Disconnect the throttle cable; then unplug the TPS

harness.

5. Loosen the carburetor flange clamps; then move

the carburetors far enough forward until clearance
will allow the carburetor assembly to be removed
from the engine compartment.

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

! CAUTION

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

4-10

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.

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.

Content .. 41 42 43 44 ..