Carburetor Specifications; Carburetor Schematics; Carburetor (400/500/650 H1) - Arctic Cat 400 Service Manual

Carburetor
Specifications
ITEM
Main Jet
Slow Jet
Pilot Screw Setting (turns)
Jet Needle
Idle RPM (engine warm)
Starter Jet
Float Arm Height
Throttle Cable Free-Play (at lever)
Choke Cable Free-Play

Carburetor Schematics

4-2
400
Keihin CVK34 Keihin CVK36
142 - VP 138
140 - FIS
38 40
1 3/8 - VP 1 3/4
1 1/8 - FIS
NAZG NFKG
1250-1350 1250-1350
75 85
17 mm (0.7 in.) 17 mm (0.7 in.)
3-6 mm (1/8-1/4 in.) 3-6 mm (1/8-1/4 in.)
N/A N/A
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500 650 H1
Keihin CVK40
138
40
2
NFKN
1250-1350
85
17 mm (0.7 in.)
3-6 mm (1/8-1/4 in.)
N/A
KEY
1. Cover
2. Screw
3. Spring
4. Vacuum Piston
5. Spring Seat
6. Jet Needle
7. Needle Jet
8. Jet Holder
9. Main Jet
10. Slow Jet
11. Starter Jet
12. Float Valve
13. Clip
14. Float
15. Float Pin
16. Pilot Screw
17. Spring
18. Washer
19. O-Ring
20. Idle Adjust Screw
21. Washer
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650 V-Twin
Keihin CVKR-D32 (2)
122 (Standard)
118 (California)
40
2 1/4 (Front)
2 1/2 (Rear)
NBZP
1050-1150
100
4 mm (0.16 in.)
3-6 mm (1/8-1/4 in.)
3-6 mm (1/8-1/4 in.)
400/500 (Keihin)
22. Spring
23. Plate
24. Screw
25. Electric Choke
26. Choke Cover
27. Float Chamber
Assy
28. O-Ring
29. Drain Plug
30. Spring
31. Diaphragm Assy
32. Pump Housing
33. U-Ring
34. Screw
35. Screw
36. Throttle Cable
37. Cover
38. Screw
39. Vent Hose
0739-656
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