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VM Roundslide Carburetors
Sudco can also “Special Jet” any Mikuni VM series carburetor for your particular application. Below is the information you will need to provide our
Carburetor Technician Specialist’s so they can provide you with the correct carburetor and jetting.
1.
Carburetor Size (mm)
2.
Type of Carburetor: Clamp-on, Spigot Mount, Flange Mount, Flat-Slide, etc.
3.
Application: Model, Year and cubic centimeters. (125cc, 250cc, etc.)
4.
Modifications done to engine: Explain in detail, example - big bore kit with cc change, ported cylinder, etc.
5.
Type of use for motorcycle: Street, Drag Racing, Road Race, Motocross, Offroad, Enduro, etc.
6.
Type of Fuel used
7.
Climate conditions: sea level, area of use, high altitude, etc.
Most popular settings are already available. However, if you have modifications done, it is necessary to follow the guidelines to insure receiving
the proper jetting at the closest range.
Use the following part numbers when ordering for special jetting or throttle valve change.
Left Idle Screw
Jetting
Throttle
Right Idle Screw
Jetting
Throttle
Carburetor
Change
Valve Change
Carburetor
Change
Valve Change
VM20
001-150
001-151
VM20
–––––––
–––––––
VM22
001-138
001-139
VM20
–––––––
–––––––
VM26
001-110
001-111
VM26
–––––––
–––––––
VM30
001-114
001-115
VM30
–––––––
–––––––
VM32
001-116
001-117
VM32
001-166
001-167
VM34
001-160
001-161
VM34
001-168
001-169
VM36
001-122
001-123
VM36
–––––––
–––––––
VM38
–––––––
–––––––
VM38
001-126
001-127
VM44
001-132
001-133
VM44
–––––––
–––––––
Please Note:
Changes and jetting modifications are for use only on racing machines or similar off-road vehicles where pollution laws are not in
effect. Not legal for vehicles operated on public highways in the State of California or other areas where similar pollution laws may apply.
Clamp-On Mount Type
Flange Mount Type
Spigot Mount Type
Size (mm)
A
B
C
D Total
Throttle Adjust Air Screw Weight Throttle Valve
Width Position
Position (g)
Material
VM16 Clamp-On
21 ID
67
95
28 61
Left
Left
446
Aluminum
VM18-Clamp-On
22 ID
67
108
32 61
Left
Left
492
Aluminum
VM20 Flange
50.8 Bolt Center
66
115
43 76.5 Left
Left
546
Aluminum
VM22 Flange
49 Bolt Center
85
114
43 82
Left
Left
828
Aluminum
VM24 Spigot
35
80
116
43 76.5 Right
Left
670
Brass
VM26 Spigot
35
93
122
44 82
Left
Right
550
Brass
VM30 Spigot
40
93
137
58 83
Left
Right
800
Brass
VM32 Spigot Left Idle 40
102
142
58 83
Left
Right
770
Brass
VM32 Spigot Right Idle 40
102
142
58 83
Right
Right
770
Brass
VM34 Spigot Left Idle 40
93
137
58 83
Left
Right
750
Brass
VM34 Spigot Right Idle 40
93
137
58 83
Right
Right
750
Brass
VM36 Spigot
43
116
152
62 79
Left
Right
750
Brass
VM38 Spigot
43
116
154
62 79
Right
Right
830
Brass
VM44 Spigot
52
116
193
70 79
Left
Right
1104 Brass
VM Series Round Slide Single Carburetor Dimensions
Sudco Special Jetting for VM Series Round Slide Single Carburetors
