FUEL
SYSTEMS
EXHAUST DRIVE LINE
HANDLING
ELECTRICAL WATERLINE/
BILGE
STEERING
&
CONTROLS
SERVICE TOOLS
/
HARDWARE
CHEMICAL
BODY
ACCESSORIES
ENGINE/
GASKETS
3
POP-OFF GAUGE
For Accurate adjustment of pop off
pressure levels.
Description
Part No.
A
Mikuni Gauge
30
Lbs.
60
Lbs.
100
Lbs.
B
Aftermarket Thumb
Operated Gauge
53-9996
53-9996-60
53-9996-100
53-9995
A
B
MIKUNI TOOL KIT
This handy little kit contains all the tools
necessary to make jetting change, perform
normal maintenance as well as disassemble
and rebuild any Mikuni carburetor.
Description
Mikuni Tool Kit
Part No.
53-9989
MIKUNI POCKET TUNER
A handy pocket-size slide calculator which
can be used to determine required jetting
changes in Mikuni carburetors due to
ambient temperature, altitude or both.
Description
Part No.
Mikuni Pocket Tuner
53-9988
MIKUNI SUPER BN SPECIFICATIONS
Hot
Part No.
53-2050
53-2060
53-2060
S
53-2065
53-2062
53-2072
53-2073
53-2074
53-2080
53-2085
53-2090
53-2095
Carb.
BN38-34-8113
BN44-40-8052
BN44-40-8067
BN46-42-8002
BN44-40-43
BN40I-38-II
BN38-34-8076
BN38-34-8075
BN40I-38-24
BN40I-38-26
BN40I-38-27
BN46I-42-B4
Low
Speed Jet
65
100
120
120
120
65
65
70
67.5
67.5
77.5
High
Speed Jet
107.5
125
140
150
115
107.5
107.5
167.5
140
142.5
162.5
Needle
Valve
2.0
2.3
2.5
2.5
1.5
2.0
2.0
1.5
1.5
1.5
2.0
Arm Spring
(
grams)
115
gr.
65
gr.
80
gr.
80
gr.
115
gr.
115
gr.
115
gr.
95
gr.
95
gr.
95
gr.
95
gr.
Low Speed
Adjuster
1.0
1.0
1.0
1.0
1.0
1.25
1.25
1.25
1.25
High Speed
Adjuster
1.5
1.5
1.5
1.5
.75
closed
closed
closed
closed
Choke or
Primer
Primer
Primer
Primer
Primer
Choke
Choke
Primer
Primer
Choke
Choke
Choke
Choke
Color
Silver
Black
Silver
Silver
Black
Black
Black
Black
Black
Black
Black
Black
SUPER BN MANUAL
For the watercraft tuner working with
Super BN series carburetors.
Description
Part No.
Mikuni Manual
53-9999
MIKUNI GENUINE
CARBURETOR REBUILD KITS
Kits include all necessary gaskets, diaphragms, and hardware
required to disassemble and rebuild Mikuni carburetor.
Mikuni
Pump Cover
Part No.
BN38/44mm
Round
53-2110
Super BN38/44/46mm,
I Series 38/40
Square
53-2114
I Series 46mm
Square
53-2115