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FUEL SYSTEM/CARBURETION
4.2
BSR 42 CARBURETOR EXPLODED VIEW
Ref. Description
Ref. Description Ref. Description Ref. Description
1. Cover, Diaphragm 17. O-Ring
2. Spring 18. Cover
3. Diaphragm 19. Screw
4. Valve, Piston 20. A-Shaft, Throttle
5. Holder 21. Screw
6. Spring 22. Bolt
7. Washer 23. Spring, Throttle Adjust
8. Washer 24. O-Ring
9. Jet, Needle 25. Screw, Adjust
10. O-Ring 26. Pin, Float
11. Case 27. O-Ring
12. Spring 28. Body, Float
13. Seal 29. Screw
14. Ring 30. Screw
15. Valve, Throttle (105) 31. A-Float
16. Guide, Cable 32. Jet, Main (150)
33. Ring 49. E-Ring
34. Holder, Jet 50. Cap
35. Jet, Needle 51. Asm., Plunger
36. O-Ring 52. Spring
37. Valve, Needle 53. Holder, Guide
38. Screw 54. Screw
39. Screw 55. Cover
40. Plug 56. Spring
41. Adjuster 57. Asm., Diaphragm
42. Spring 58. Filter
43. Washer 59. Jet, Air
44. O-Ring 60. Jet, Main (110)
45. Jet, Pilot (45) 61. Jet (120)
46. Jet (42.5) 62. Ring
47. Asm., Carburetor 63. E-Ring
48. Packing 64. O-Ring
65. Screw
Refer to Page 4.4 for Optional Jet Part Numbers
1
2
3
4
5
Jet Needle
“E” Clip
Position
10.
53
61
4.
49
64
48
47
21
63
5.
52
24
13.
51
30
9.
8.
1.
65
42
26
27
38
39
7.
6.
15.
33
46
44
36
41
31
14.
34
50
12.
22
3.
2.
45
20
60
35
37
28
43
11.
62
55
54
56
57
29
23
58
59
25
16.
19
18
17
40
13.
32
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