Cleaning
or
replacing
,
.
spark
plugs
4
Turn
the
engine
off!
-|
0.028 in
/
0.7
mm
Removing
spark
plugs
Grasp the
spark plug
connector and
pull
Since the
spark
plug gap tends
to
in-
it
off.
Do
not
pull
the ignition wires
as
crease
in
time during normal
operation,
they
may
separate
from
the
connectors.
it is advisable
to
replace spark
plugs
periodically
(see
Maintenance
Schedule}.
Unscrew
the
spark plugs
with
a
suitabie
spark plug
wrench.
Cleaning spark plugs
Installing spark plugs
|
Dirty
spark
plugs
should
be cleaned
with
[nsert
them by hand and
screw
them
into
asand
blaster,
but
if
not
available, the
the cylinder head
as
far
as
they
will go.
carbon
can
be removed with
a
wood
or
Only
then
use
the
spark plug
wrench to
plastic
pick.
Do not
use
awire brusn. The
—
tighten
ithern firmly.
Do
not overtighten.
plugs should also be clean
and dry
on
the
outside to avoid
shorting
and arcing.
The
gap
can
be
set
by
bending the
outside
electrode.
The
gap
should
be
0.028
in
/
0.7
mm.
See CAUTIONS
on
page
56.
57
