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Spark Plug u Changing Spark Plug
65
Maintenance
5.
Disconnect the spark plug cap from the
spark plug.
6.
Clean any dirt from around the spark
plug base.
7.
Remove the spark plug using a suitable
spark plug wrench.
8.
Install the new spark plug.
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:
11.
Reinstall the spark plug cap. Take care
avoid pinching any cables or wires.
12.
Install the parts in the reverse order of
removal.
Spark plug cap
a) First, tighten the plug:
1/2 turn after it seats.
b) Then loosen the plug.
c) Next, tighten the plug again:
1/8 turn after it seats.
NOTICE
Improperly tightened spark plug 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.
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