Honda 2010 FSC600, Owner'S Manual

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131
Servicing Your Honda
Spark Plugs
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.
Reinstall the spark plug caps. Take care
to avoid pinching any cables or wires.
Install the remaining parts in the
reverse order of removal.
First, tighten the plug:
NGK:
turn after it seats.
DENSO: turn after it seats.
Then loosen the plug.
Next, tighten the plug again:
1/8 turn after it seats.
If installing a new plug, tighten it
twice to prevent loosening:
If the old plug is good:
1/8 turn after it seats.
With the plug washers attached, thread
the spark plugs in by hand to prevent
cross-threading.
Tighten each spark plug:
Discard the spark plugs.
a)
b)
c)
11.
12.
10.
8.
9.
1/2
1
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