Lifan M70 - Page 29

Be careful
not to
touch the
muffler
during or
just
after
running
the engine.
2) Cleanthe
spark
plug
with
a
steel
brush.
If
the
insulator
is
damaged,
replace
the spark
plug instead'
3)
Measure
the
spark
plug
clearance
with a
feeler.
The cleara$ce
should be
0.7-0.8mm,If
adjustment
is necessary, bend
the side electrode
carefully'
(Pic.
29)
4) Check
if the
spark
plug
gasket
is in
good
conditions,
or replace
with
a new
one.
5)
Screw
on
the spark
plug
to the bottom
first by
hand and
then
tighten
it up
by
a spark
plug
wrench.
(Pic.30)
If a
new spark
plug is
used,
twist Il2
more turns
after
impacting
the
gasket;
if reinstall
the original
one'
iust
twist
1/8-
ll4 mote
turns'
spark
prug
rvrcnch
\/
'ir
/,2
\'
{
0.028-0.031 in
(0.70-0.80
mm)
(Pic.
2e)
(Pic.
30)
CAUTION
O The spark
plug must be
tightened
securely,
or
it may become
very
hot
to
damage
the engine.
29