Sudco Vol 38

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No. Description Mikuni No. Order No.
1. Gasket, Pump BN46I/13 –––––––
2. Diaphragm, Pump (Clear) BN46I/14 –––––––
3. O-Ring 616-73002 –––––––
4. Check Valve (2) BN46I/11 –––––––
5. Grommet (2) BN34/125 –––––––
6. Diaphragm, Damper BN46I/34 –––––––
7. Diaphragm, Damper (Clear) BN46I/15 –––––––
8. O-Ring 616-73003 –––––––
9. Filter, Fuel BN44/146 –––––––
10. O-Ring, Hi Speed (2) B30/305 –––––––
11. O-Ring, Low Speed MD12/16 –––––––
12. O-Ring, Needle Valve KV/10 002-709
13. Gasket, Valve Body BN34/123 –––––––
14. Check Valve (Clear) BN34/107 007-492
15. Pin, Arm VM30/97 –––––––
16. Spring, Arm (95 grams) 730-03034 –––––––
17. Arm (Stainless) BN38/534 –––––––
18. Diaphragm Assembly, Main BN44/145 007-307
BN46I Replacement Parts
(Items 19-42 shown for reference only. Not included in Rebuild Kit.
19. Screw with Washer (4)** BN34/120-35 ––––––
(see **Tightening Torque)
20 Cover, Pump BN46I/xx –––––––
21. Body Assembly, Pump BN46/49 –––––––
22. Stop Screw, Idle BN38I/40 –––––––
23. Washer, Aluminum, (3) BN38/39 007-304
Hi Speed (1) and Stop Screw (2)
24. Spring (2) BN38/344 –––––––
25. Cap, Hi Speed Adjuster 999-904-006 007-316
26. Adjuster, Hi Speed 604-25017 007-315
27. Washer, Low Speed (Aluminum) (2) BN38/172 007-305
28. Spring, Low Speed BN38/343 007-318
29. Adjuster, Low Speed BN38/477 –––––––
30. Jet, High Speed N102.221 Pg.516
31. Jet, Slow Speed N100.606 Pg.516
32 Screw BV15/121-05-GG –––––––
33. Plate, Valve BN34/108-GG –––––––
34. Valve Body Assembly BN44/165 –––––––
35 Screw 4 x 14mm (2) C5=0414-G 007-494
36. Needle Valve Assembly 786-35018-1.8 002-884
(see next page for additional sizes)
37. Plate, Needle Valve Retainer
38. Screw with Washer 3 x 7mm CW2=0307-G 007-493
39. Screw 3 x 8mm C6=0308-G 007-300
40. Cover (Stainless) BN44/147 –––––––
41. Screw, 5 x 14mm (4) ** C2S=0514 007-625
(see **Tightening Torque)
42. Diaphragm, Accelerator Pump BN40I/22 –––––––
BN46I Carburetor Rebuild Kit
MK-BN46I and MK-BN44I Yamaha - See next page for models.
Rebuild Kit includes parts 1 through 18.
**Tightening Torque:
Part No. 19: 4.5 N/m (45 Kg/Cm)
Part No. 41: 3.5 N/m (35 Kg/Cm)
BN46I (Square Carb Type)
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