ENGINE
Overheating
Normal
Carbon
fould
Fig
EE
74
SpaTk
plug
Life
4
After
cleaning
dress
electrodes
with
a
small
fine
fIle
to
flatten
the
surfaces
of
both
center
and
side
electrodes
in
parallel
Set
spark
plug
gap
to
specification
5
Install
spark
plugs
and
torque
each
plug
to
1
5
to
2
0
kg
m
ll
to
15
ft
lb
6
Connect
spark
plug
wires
CLEANING
AND
REGAP
Clean
spark
plugs
in
a
sand
blast
type
cleaner
Avoid
excessive
blasting
Clean
and
remove
carbon
or
oxide
deposits
but
do
not
wear
away
porcelain
If
deposits
are
too
stubborn
discard
plugs
Mter
cleaning
spark
plugs
renew
firing
surface
of
electrodes
with
me
mentioned
above
Then
gap
spark
plugs
to
0
8
to
0
9
mm
0
030
to
0
035
in
using
a
round
SPECIFICATIONS
AND
SERVICE
DATA
Make
Model
Size
Screw
dia
x
Reach
mm
in
Plug
gap
mm
in
Tightening
torque
kg
m
ft
b
EE
38
wire
feeler
gauge
All
spark
plugs
new
or
used
should
have
the
gap
checked
and
reset
by
bending
ground
electrode
Fig
EE
75
Setting
spaTk
plug
gap
NGK
HITACHI
BP5ES
1A6PW
14
x
19
0
55
x
0
75
0
8
to
0
9
0
031
to
0
035
1
5
to
2
5
11
0
to
15
0