4
FUEL
SYSTEMS
ENGINE/
GASKETS
EXHAUST
DRIVE LINE
HANDLING
ELECTRICAL
WATERLINE
/
BILGE
STEERING
&
CONTROLS
BODY
ACCESSORIES
SERVICE TOOLS
/
HARDWARE
CHEMICAL
FREESTYLE
RACING
FOUR
STROKE
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) . . . . . . . . . . .BN44/167
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-GG
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 Super BN
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 assurance mark on the
face of every jet.
Accept no substitute
.
Mikuni American Corporation
*
Super BN38 and
Late Super BN44
**
Early Super BN44