Make sure the plug washer is in good
condition.
With the plug washer attached, thread
the spark plug in by hand to prevent
cross-threading.
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:
Install the removed parts in the reverse
order of removal.
First, tighten the plug:
NGK:
turn after it seats.
Then loosen the plug.
Next, tighten the plug again:
1/8 turn after it seats.
An 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.
Reinstall the spark plug cap. Take care to
avoid pinching any cables or wires.
a)
b)
c)
1/2
6.
7.
8.
9.
10.
105
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Summary of Contents for PCX150i
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