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5. Make sure that the 1.0 mm wire-type
feeler gauge does not insert between
the spark plug gap (2). If the gauge is
inserted into the gap, replace the plug
with a new one.
(2) Spark plug gap
6. Make sure the plug washer is in good
condition.
7. With the plug washer attached, thread
the spark plug in by hand to prevent
cross-threading.
8. Tighten a new spark plug 1/2 turn with
a spark plug wrench to compress the
washer. If you are reusing a plug, it
should only take 1/8-1/4 turn after the
plug seats.
The spark plug must be securely
tightened.
An improperly tightened plug can become
very hot and possibly damage the engine.
9. Reinstall the spark plug caps.
10. Install the remaining parts in the
reverse order of removal.
NOTICE
