Electrode Design

(Spark Position)

K = 14 x 16.0

Q = 14 x 16.0

W = 14 x 20.6

U = 10 x 16.0

X = 12 x 18.0

XU = 12 x 16.0

M = 18 x 25.4

L = 18 x 22.2

X = 12 x 18.0

T = 14 x 16.0

Y = 8 x 13.0

9

14

16

20

22

24

27

29

31

32

34

35

A = 19.0

B = 19.0

C = 19.0

D = 19.0

E = 19.0

F =12.7

FE = 19.0

G = 19.0

H = 26.5

L = 11.2

M = 8.6

N = 17.5

V = 25.0

B = 3 Ground Electrodes

D = 4 Ground Electrodes

K = 1mm Projected

M = Compact Type

P = 1.5mm Projected

S = 0mm Projected

T = Double Ground Electrodes

X = 2.5mm Projected

R = With Resistor

None = Without Resistor

C = Cut-Back Ground Electrode

M =  Increased Ground Electrode Size

N = For Yamaha & Kawasaki

P = Double Platinum

U = U-Groove

US = Star-Shaped Center Electrode

S = Semi-Surface Discharge

Z = Taper Cut

5 = 0.5mm

8 = 0.8mm

9 = 0.9mm

10 = 1.0mm

13 = 1.3mm

14 = 1.4mm

15 = 1.5mm

20 = 2.0mm