FUEL
SYSTEMS
EXHAUST
DRIVE LINE
HANDLING
ELECTRICAL
WATERLINE/
BILGE
STEERING
&
CONTROLS
SERVICE TOOLS
/
HARDWARE
CHEMICAL
BODY
ACCESSORIES
ENGINE/
GASKETS
4
Diagram
No.
1.
1
a.
2.
3.
4.
5.
5
a.
6.
6
a.
7.
8.
9.
11.
12.
14.
15.
16.
18.
19
a.
20.
20
a.
21.
22.
22
a.
24.
25.
26.
27.
28.
29
a.
29
b.
33.
34.
35.
36.
37.
38.
39.
40.
41.
42.
Mikuni
Description
Part No.
Gasket Pump (2) . . . . . . . . . . . . . . . . . . . . . . . . . .BN38/547
O-Ring* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .616-72001
Diaphragm, Pump (Clear) . . . . . . . . . . . . . . . . . . . .BN34/97
Check Valve (2) (Clear) . . . . . . . . . . . . . . . . . . . . .BN34/124
Grommet, Check Valve (2) . . . . . . . . . . . . . . . . . . .BN34/125
Diaphragm, Damper (large hole)** . . . . . . . . . . . . .BN34/100
Diaphragm, Damper (small hole)* . . . . . . . . . . . . .BN34/129
Gasket, Damper** . . . . . . . . . . . . . . . . . . . . . . . . . .BN34/101
O-Ring* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .616-92007
Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .BN44/146
O-Ring, Hi Speed . . . . . . . . . . . . . . . . . . . . . . . . . .B30/305
O-Ring, Low Speed . . . . . . . . . . . . . . . . . . . . . . . .MD12/16
Gasket Valve Body . . . . . . . . . . . . . . . . . . . . . . . . .BN34/123
Check Valve (Clear) . . . . . . . . . . . . . . . . . . . . . . . .BN34/107
Pin, Arm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .VM30/97
Arm (Stainless) . . . . . . . . . . . . . . . . . . . . . . . . . . . .BN38/534
Diaphragm Assembly . . . . . . . . . . . . . . . . . . . . . . .BN44/145
Cover Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .BN34/95B
Body Assembly Pump* . . . . . . . . . . . . . . . . . . . . . .BN34/128
(
Must use w/O-Ring 1A)
Stop Screw, Idle** . . . . . . . . . . . . . . . . . . . . . . . . . .BN44/109
Stop Screw, Idle* . . . . . . . . . . . . . . . . . . . . . . . . . .BN34/82
Washer (Aluminum - Same as #26) . . . . . . . . . . . .BN38/39
Spring, Idle** . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .BN38/341
Spring, Idle (Same as #25)* . . . . . . . . . . . . . . . . . .BN38/344
Adjuster, Hi Speed (with Cross Bar) . . . . . . . . . . . .604-25017
Spring, Hi Speed (Same as #22a) . . . . . . . . . . . . .BN38/344
Washer, Hi Speed (Aluminum - Same as #21) . . .BN38/39
Washer, Low Speed (Aluminum) . . . . . . . . . . . . . .BN38/172
Spring, Low Speed . . . . . . . . . . . . . . . . . . . . . . . . .BN38/343
Adjuster, Low Speed (with Cross Bar) 38mm . . . .BN38/477
Adjuster, Low Speed (with Cross Bar) 44mm . . . .BN38/166
Plate, N.V. Retainer . . . . . . . . . . . . . . . . . . . . . . . .BN34/117-GG
Screw with washer . . . . . . . . . . . . . . . . . . . . . . . . .CW2-0307-G
Low Jet, 30-160 in increments of 5 . . . . . . . . . . . .N100.606-SIZE
Main Jet, 30-260 in increments of 5 . . . . . . . . . . . .N102.221-SIZE
Screw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .BV15/121-05
Plate, Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .BN34.108-GG
Valve Body Assembly . . . . . . . . . . . . . . . . . . . . . . .BN44/165
Screw (2 pcs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C5-0414-G
Screw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C6-0308-G
Cover (Stainless) . . . . . . . . . . . . . . . . . . . . . . . . . .BN44/147
Socket Bolt Kit
SUPER BN 44/46
59-9131
CARBURETOR SOCKET BOLT KIT
Description
Mikuni SuperBN
Part No.
59-9131
Replace the stock phillips bolts
on carbs with stainless steel
socket head bolts.
See bottom of page
a
Early 44
MIKUNI GENUINE PARTS
SUPER BN38 / BN44 / BN46
(
not used on BN38)
b
*
Super BN38 and Late Super BN44
**
Early Super BN44
Tune with Confidence
Genuine Mikuni Jets provide accurate carburetor tuning
results that you can count on. Look for the quality assur
?
ance
mark on the face of every jet.
Accept no substitute.
Mikuni American Corporation
*
Super BN38 and
Late Super BN44
**
Early Super BN44