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Carburetor Instruction Sheets  

  • Mikuni Super BN

                                      INSTRUCTION SHEET FOR
                              MK-BN38/44 SPR

                                Rebuild kit for Super BN38 & BN44
                              Fits: Most Mikuni™ Super BN38 & BN44 (Square Pump)
                                  Yamaha™ Water Vehicles with Super BN44
                                        Sea-Doo™ with Super BN38
                                         Image Shown Left Super BN 44 . . . . .. . . . . . .. . .. . . . .. . .. Image Shown Right Super BN 38
                                        GENERAL EXPLODED VIEW
                            THE GENERAL DESIGN AND PARTS SHOWN WILL VARY TO
                            INDIVIDUAL UNITS COVERED ON THIS INSTRUCTION SHEET

Super BN

Part No.
1.   BN38/547
1a.616-72001* 
2.  BN34/97 
3.  BN34/124 
4.  BN34/125 
5  .BN34/100** 
5a. BN34/129* 
6.  BN34/101** 
6a. 616-92007* 
7.  BN44/146 
8   B30/305 
9.  MD12/16 
10. KV/10 
11. BN34/123 
12. BN34/107 
13. 730-03027 
14. VM30/97 
15. BN38/534 
16. BN44/145 
(Items 17-43 for Reference Only 
NOT included in kit. 
17.  BN34/120-30 
18.  BN34/95B 
19.  BN34/98** 
19a. BN34/128* 
20.  BNN44/109** 
20a. BN34/82* 
21.  BN38/39 
22.  BN38/341** 
22a. BN38/344* 
23.  B26/03** 
23a. BN44/118* 
24.  604-25017 
25.  BN38/344 
26.  BN38/39 
27.  BN38/172 
28.  BN38/343

29.  604-26008** 
29a.  BN38/477*
30.  BN44/118
31.  786-65015-size
32.  VM15/285
33.  BN34/117-GG
34.  CW2-0307-G
35.  N100.606-size
36.  N102.221-size
37.  BV15/121-05-GG 
38.  BN34/108-GG
39.  BN44/165
40.  C5-0414-G
41.  C6-0308-G
42.  BN44/147
43.  MCWS-0512
NOTE: *BN38 only......**BN44 only

        - Description- 
Gasket, Pump (2) 
O-Ring 
Diaphragm, Pump (Clear)
Check Valve (2) (Clear)
Grommet, Check Valve (2)
Diaphragm, Damper
Diaphragm, Damper
Gasket, Damper
O-Ring
Filter 
O-Ring, Hi Speed
O-Ring, Low Speed
O-Ring, Needle Valve
Gasket, Valve Body
Check Valve (Clear)
Spring, Arm (115 grams) 
Pin, Arm
Arm (Stainless)
Diaphragm Assembly 
-- 
-- 
Screw with 2 Washers, Stainless-30mm (4pcs.) 
Cover, Pump 
Body Assembly, Pump 
Body Assembly, Pump 
Stop Screw, Idle 
Stop Screw, Idle 
Washer (Aluminum)
Spring, Idle
Spring, Idle
Cap
Cap with Tab 
Adjuster, Hi Speed 
Spring, Hi Speed
Washer, Hi Speed (Aluminum)
Washer, Low Speed (Aluminum) 
Spring, Low Speed  

Adjuster, Low Speed
Adjuster, Low Speed (with Cross Bar)
Cap
Needle Valve Assembly (Viton™)
Spring Clip, N.V.
Plate, N.V. Retainer 
Screw with Washer 
Jat, Low Speed
Jat, Hi Speed
Screw
Plate, Valve 
Valve Body Assembly 
Screw (2 pcs.)
Screw
Cover (Stainless)
Screw with Washer (4) (Stainless)    

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Winderosa Dist. & Mfg. Co. Inc. USA   .    PO Box 720 Dixfield, Maine USA  FAX:  207-562-4446