Allens Performance Ltd.

KEIHIN N427-OC JET NEEDLES

These Keihin jet needles are given part numbers according to their dimensions

The syntax is N427-OC-(TAPER)(L1)(DIAMETER)-(CLIP POSITION)

For example N427-OC-DVR would be a taper of 0°45′, an L1 of 82.75mm and a diameter of 2.755mm

Clip positions are not required for ordering but for the sake of notation, 1 is the top clip position. (Near the blunt end of the needle.)

N427-OC Series Keihin Jet Needles for Keihin FCR35 FCR37 FCR39 FCR41

N427-OC-XXX

FCR35-41 and FCRMX 37-41mm

Mark Taper A L1 Diameter d1 (mm)
A 74.20 2.605
B 74.65 2.615
C 75.10 2.625
D 0°45′ 75.55 2.645
E 1°00′ 76.00 2.645
F 1°15′ 76.45 2.655
G 1°30′ 76.90 2.665
H 1°45′ 77.35 2.675
J 2°00′ 77.80 2.685
K 2°15′ 78.25 2.695
L 2°30′ 78.70 2.705
M 2°45′ 79.15 2.715
N 3°00′ 79.60 2.725
P 3°15′ 80.05 2.735
Q 3°30′ 80.50 2.755
R 3­°45′ 80.95 2.755
S 4°00′ 81.40 2.765
T 4°15′ 81.85 2.775
U 4°30′ 82.30 2.785
V 4°45′ 82.75 2.795
W 5°00′ 83.20 2.805
X 83.65 2.815
Y 84.10 2.825
Z 84.55 2.835