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Top > Carburetors and Carburetor Parts > Carburetors & Parts by Carburetor Manufacturer > Keihin > Keihin Jetting Components > Keihin Jet Needles > KEIHIN N427-OC Jet Needles > Keihin N427-OC FCR35-39 Clip Jet Needle Chart
N427-OC Jet Needles. For Keihin FCR 35-41
Click the desired needle below to purchase.
N427-OC Jetting Chart
Taper (A)
in degrees
(L1) length
in mm
 
 
Diameter (d-1) mm Scroll down
for R-W
H=2.675
K=2.695
L=2.705
M=2.715
N=2.725
P=2.735
Q=2.745
D
0° 45'
B=74.65
Rich
 
 
 
 
F=76.45
 
 
 
 
H=77.35
 
 
 
 
 
 
 
K=78.25
 
 
 
 
 
 
 
L=78.70
 
 
 
 
 
 
 
M=79.15
 
 
 
V=82.75
Lean
 
 
 
 
 
E
1° 00'
B=74.65
Rich
 
 
 
 
 
 
F=76.45
 
 
H=77.35
 
 
 
 
 
 
 
K=78.25
 
 
 
 
 
 
L=78.70
 
 
 
 
 
 
M=79.15
 
V=82.75
Lean
 
 
 
 
 
 
F
1° 15'
B=74.65
Rich
 
 
 
F=76.45
 
 
 
 
 
 
 
 
H=77.35
 
 
 
 
K=78.25
 
 
 
 
 
L=78.70
 
 
 
 
 
 
 
M=79.15
Lean
 
 
G
1° 30'
B=74.65
Rich
 
 
 
 
 
 
 
F=76.45
 
 
 
 
 
 
 
H=77.35
 
 
 
 
 
 
 
J=77.80
 
 
 
 
 
 
K=78.25
 
 
 
 
 
 
 
L=78.70
 
 
 
 
 
 
M=79.15
Lean
 
 
 
 
Taper (A)
in degrees
(L1) length
in mm
 
 
Diameter (d-1) mm Scroll up
for H-Q
R=2.755
S=2.765
T=2.775
U=2.785
V=2.795
W=2.805
 
D
0° 45'
B=74.65
Rich
 
 
 
 
 
 
F=76.45
 
 
 
 
 
 
H=77.35
 
 
 
 
 
 
 
K=78.25
 
 
 
 
 
 
 
L=78.70
 
 
 
 
 
 
 
M=79.15
 
 
 
V=82.75
Lean
 
 
 
 
E
1° 00'
B=74.65
Rich
 
 
 
 
F=76.45
 
 
 
 
 
H=77.35
 
 
 
 
 
 
K=78.25
 
 
 
 
 
 
L=78.70
 
 
 
M=79.15
 
V=82.75
Lean
 
 
 
 
 
F
1° 15'
B=74.65
Rich
 
 
 
 
F=76.45
 
 
 
 
 
 
 
 
H=77.35
 
 
 
 
K=78.25
 
 
 
 
 
 
L=78.70
 
 
 
 
 
 
 
M=79.15
Lean
 
 
G
1° 30'
B=74.65
Rich
 
 
 
 
 
 
 
F=76.45
 
 
 
 
 
H=77.35
 
 
 
 
 
 
 
J=77.80
 
 
 
 
 
 
 
K=78.25
 
 
 
 
 
 
 
L=78.70
 
 
 
 
 
 
 
M=79.15
Lean
 
 
 
 
 

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