BRP ski-doo MACH Z 1000 SDI, Handbook

Page: 153 / 493

SECTION 05 - ENGINE PREPARATION
MMC2005-001_05A.FM
05-29
Design Symbols Used on NGK Spark Plugs
( (
A01E1GS
B P 6 E
S
11
*Standard regulation is
drawn here. There also
exist a few extraordinary
symbol.
Wide gap type (mm)
A
B
C
D
F
G
18 mm
14 mm
10 mm
12 mm
7/8 in-18
PF 1/2 in-14
25.4 mm
20.6 mm
16.0 mm
18.0 mm
23.8 mm
23.8 mm
Hexagon size 20.6 mm
Hexagon size 16.0 mm
Hexagon size 23.8 mm
Compact type (SHORTY)
Compact type (BANTAM)
Projected insulator
nose type
Resistor type
Shielded type
Surface discharge type
First letter prefix for thread
and hexagon size
Letter Thread size Hexagon
size
Letter
B
C
G
L
M
P
R
S
U
Construction feature
Second and third letter prefix
for construction feature,
except single prefix
Heat rating number
Hotter Type 2
4
6
7
8
9
10
11
12
13
14
Colder type
(105)
(95)
(85)
Ordinary
plug
Racing
plugs
None
L
H
E
F
Letter
12.0 mm
(thread dia. 18 mm)
9.5 mm
(thread dia. 14 mm)
22.5 mm
(thread dia. PF 1/2 in-
14 mm)
16.0 mm
(thread dia. 7/8 in-18mm)
11.2 mm
12.7 mm
(racing type 18.0 mm)
19.0 mm
(racing type 18.0 mm)
Conical seat type
A -F
B - F
BM - F
BE - F
First letter suffix for thread:
reach
Second letter suffix for con-
struction feature, etc.
Construction feature, etc. Letter
A
B
C
G
GV
N
P
R
S
V
W
X
Y
-Specials
-Special plug for Honda
vehicles
-Competition type
-Racing plugs, center
electrode of nickel alloy
-Racing plugs, center
electrode of precious
metal
-Racing plugs, nickel
electrode
-Racing plugs, platinum
ground electrode
-Shielded resistor plugs
-Copper core center
electrode (Super)
-Center electrode of
precious metal
-Tungsten electrode
-Series gap plugs
-V-Grooved center
electrode
Thread reach
Multiple ground electrodes type
K 2 T 3
M 2 Q 4
Others Expect for above letters,
there are special plugs
of J, L, Z, etc
5
10.9 MM
11.2 MM
7.8 MM
17.5 MM