6. Install
the spark
plug carefully,
by hand,
to avoid
cross-threading.
7. After
the spark plug is seated,
tighten
with a spark plug wrench
to com-
press
the washer.
(1
Lo ose spark
plug can get hot enough
to damage
the engine.
Overtightening
may damage
the threads.
NOTE:
If installing
a new spark
plug,
tighten
l/2
turn after the spark
plug
seats
to compress
the washer.
If reinstalling
a used spark
plug,
tighten
l/8-
l/4
turn
after
the
spark
plug
seats
to compress
the
washer.
87