Buell S1 Lightning User Manual

4-16
Figure 4-14. Constant-Velocity (C.V.) Carburetor
1. Top cover
2. Shouldered screw (3)
3. Spring
4. Vacuum piston
5. Spring seat
6. Jet needle
7. Fitting (V.O.E.S.)
8. Fuel inlet fitting
9. Needle jet
10. Needle jet holder
11. Main jet
12. Slow jet
13. Fuel inlet valve
14. Pin
15. Pump linkage
16. Float
17. Carburetor body
18. Screw w/ lockwasher (4)
19. Cable guide
20. Starter cap
21. Cable sealing cap
22. Enrichener valve
23. Spring
24. Throttle cable bracket
25. Screw
26. Screw and lockwasher
27. Idle speed adj. screw
28. Spring
29. Washer (2)
30. Drain hole
31. Drain hose
32. Clip
33. Washer
34. Cotter pin (2)
35. Washer (3)
36. Washer
37. Lever
38. Float bowl
39. E-clip
40. Accelerator pump nozzle
41. Spring
42. Pump housing
43. Spring
44. Diaphragm
45. O-ring
46. O-ring
47. Drain screw
48. Lockwasher (3)
49. Screw (3)
50. Boot
51. Accelerator pump rod
52. Collar
53. Float bowl O-ring
54. Clamp (2)
55. Hose
56. Washer
57. Vacuum hose
1
17
8
42
48
32
31
51
53
15
36
16
50
46
13
14
12
35
34
52
27
26
30
28
34
39
33
37
2
3
4
5
7
6
9
18
19
20
21
22
23
24
25
29
40
56
47
38
41
43
44
45
49
54
55
54
57
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10
11

Buell S1 Lightning Specifications

General

Transmission	5-speed
Rear Brakes	Single 230mm disc, single-piston caliper
Compression Ratio	10.0:1
Ignition	Electronic
Engine Type	Air-cooled, four-stroke, 45° V-twin
Rear Suspension	Showa monoshock, adjustable preload, compression and rebound damping
Front Brakes	Single 340mm disc, 6-piston caliper
Seat Height	775 mm
Bore x Stroke	88.8 mm x 96.8 mm
Fuel System	Carburetor
Frame	Tubular steel
Tires	Front: 120/70 ZR17, Rear: 170/60 ZR17