740 / 1258
ELECTRICAL & IGNITION
740
body
accessories
handlebar
& grips
cables &
levers
electrical
& ignition
engine
fuel &
intake
clutch
brakes
drive
steering &
suspension
bearings
tires
tools &
shop
exhaust
DESIGN SYMBOLS USED IN NGK SPARK PLUGS
9:0.9 mm (.036”)
10:1.0 mm (.040”)
11:1.1 mm (.044”)
13:1.3 mm (.050”)
14:1.4 mm (.055”)
20:2.0 mm (.080”)
PREFIX
SUFFIX
WIDE GAP
THREAD DIAMETER
A :
18 mm
B :
14 mm
C :
10 mm
D :
12 mm
E :
8 mm
J :
12 mm x 19 mm
CONSTRUCTION
M :
Compact Type
P :
Projected Insulator Type
R :
Resistor Type
U :
Surface Discharge
Z :
Inductive Supressor Type
FIRING END
CONSTRUCTION
REACH
E :
19 mm (3/4”)
F :
Taper Seat
H :
12.7 mm (1/2”)
L :
11.2 mm (7/16”)
Z :
21 mm
12 mm
9.5 mm (3/8”)
Blank
18mm o
14 mm o
A :
Special Design
B :
Single Ground -
special alloy
C :
Dual Ground
special alloy
G :
Racing Type
GV :
Racing Version
of V-Type
L :
Half Heat Range
S :
Standard Center
Electrode
V :
Fine WIre Center
Electrode
X :
Booster Gap
Y :
V-Grooved Center
Electrode
CROSSCUTS
AND GAP
STYLES OF
SPARK PLUGS
STANDARD
TYPE
TAPER SEAT
TYPE
V TYPE
PROJECTED
INSULATOR TYPE
L: 90
0
ELBOW TYPE
X: 120
0
ELBOW TYPE
T: SPECIAL 90
0
TYPE
D P R 9 E A - 9
TB05EMA 5.40
B
TB05EM (red) 5.65
B
NGK
S: STRAIGHT TYPE
SB05F 3.35
B
SD05F 3.35
B
HEAT
RANGE
NUMBERS
2
4
5
6
7
8
9
10
HOT
COLD
SPARK PLUG RESISTOR COVERS
EXTERNAL
APPEARANCE
ADAPTABLE PLUG SIZE
B:
For 14 mm type
D:
For 10, 12 mm plug type
RESISTANCE
01:
1 k ohm
05:
5 k ohm
ADAPTABLE PLUG
TERMINAL
E:
For terminal nut
F:
For terminal stud
ACCESSORY
P:
With Special
Water-Proof
Cover
M
: Rubber Sheathed
V: 120
0
ELBOW TYPE
(LONG)
LBER 4.10
B
LB01E 2.45
B
LB05E 2.45
B
LB05F 2.45
B
LB05EP 2.45
B
LB05FP 2.45
B
LB05EZ 2.45
B
LB05EZA 4.45
B
LD05F 2.45
B
LD05FP 2.45
B
VD05F
3.35
0
XB05F 3.35
B
XD05F 3.35
B
L B 0 5 E P
PREMIUM RACING WIRE
• Straight Resistor Covers
• 50 cm
• 1 KOHM Resistor Cover
• Wire Connector Made of High Impact Plastic
CR1
Removable Cap
18.95
B
CR3
Solid Cap
18.95
B
• 90
o
Resistor Covers
• 100 cm
• 5 KOHM Resistor Cover
• Water Resistant Design
CR5
Removable Cap
18.95
B
CR6
Solid Cap
18.95
B