Spark Plug
u
Checking Spark Plug
57
Maintenance
9.
With the plug washer attached, thread
the spark plug in by hand to prevent
cross-threading.
10.
Tighten the spark plug:
●
If the old plug is good:
1/8 turn after it seats
●
If installing a new plug, tighten it twice
to prevent loosening:
a) First, tighten the plug:
NGK: 1/2 turn after it seats.
DENSO: 3/4 turn after it seats.
b) Then loosen the plug.
c) Next, tighten the plug again:
1/8 turn after it seats.
11.
Reinstall the spark plug cap. Take care
avoid pinching any cables or wires.
12.
Install the parts in the reverse order of
removal.
NOTICE
Improperly tightened spark plugs can damage the engine.
If a plug is too loose, a piston may be damaged. If a plug
is too tight, the threads may be damaged.
12 NSC110MPD-32KZLK000.book 57 ページ ２０１１年１２月１４日 水曜日 午後４時５分
