Honda EB11000 Owner's Manual page 44

6. Check that the spark plug washer is in good condition and thread
the spark plug in by hand to prevent cross-threading.
7. After the spark plug is seated, tighten with a spark plug wrench to
compress the washer.
-
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.
pEiGNOTICE]
l
The spark plug must be securely tightened. An improperly
tightened spark plug can become very hot and may cause
engine damage.
l
Use only the recommended spark plug or equivalent. A spark
plug which has an improper heat range may cause engine
damage.
42
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