Page 30 - Mikuni Carburetor Catalog 21

TUNING/JETTING
Functional Range Effectiveness of Tuning Parts in Relation to the Throttle Valve Opening (Approximation)
NOTE: Power Jet Option equipped carbs will affect other tuning components.
Throttle Valve Opening Full Open
Closed
PILOT SYSTEM includes (PILOT AIR JET, PILOT FUEL JET, PILOT FUEL SCREW)
Main Jets
389
R-2
Needle Jets
SERIES SIZE
SERIES 175
P-8
SIZE
PRIMARY TYPE
BLEED TYPE
PARTS STAMPING This marking on a jetting part is your quality assurance guarantee it is a genuine Mikuni component. DO NOT ACCEPT SUBSTITUTES.
Pilot Jets
Description Part No. Size Range
VM, TM, TMX VM22/210 Fits VM, TM, TMX
10 - 60 (Increments of 2.5) 60 - 110 (Increment 5) 100 - 140 (Increment 10)
RS, HSR VM28/486 Fits RS, HS
10 - 70 (Increment 2.5)
OEM TMX, BSR Rhino N224.103 For CR, RM. YZ, KX
10 - 70 (Increment 2.5)
OEM N151.067 Non-Bleed,
OEM Applications
30 - 60 (Increment 2.5)
Bleed Type BS30/96
30 - 60 (Increments of 2.5)
B-Type Butterfly Carb N101.043
30 - 100 (Increments of 2.5) 105 - 160 (Increments of 5)
Super BN N100.606 Low Speed Jet
for SBN
30 - 160 (Increment 2.5)
OEM Carbs, Banshee M28/1001 Banshee OEM
OEM Applications
15 - 70 (Increment 2.5)
Description Part No. Size Range
Large Hex
4/042 (Fits VM, TM)
50 - 250 (Increments of 5) 250 - 250 (Increment 10) 500 - 640 (Increment 20) 650, 660, 680, 700, 710, 720
Small Hex
M10/14
40 - 200 (Increment 5)
Large Round
N100.604 (Fits RS and HS)
50 - 200 (Increment 2.5) 200 - 215 (Increment 5) 215 - 240 (Increment 10)
Small Round
N102.221 (Fits SBN)
30 - 190 (Increment 2.5) 190 - 220 (Increment 5) 230, 240, 250
Press - In
N208.099 Press-In OEM Application
110 - 180 (Increments of 2.5) Needs O-Ring #616-12001
Large Thread
VM11/22
50 - 180 (Increments of 5)
Air Jets
Starter Jets
BS30/97
For Most Mikuni's
.5 thru 2.0 Increments of .1
VM 17/1002 Controls enrichener on TM carburetors
20 thru 120 and 1.0, 1.5, 2.0
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