Battery (Not Included) - Honda Marine BF40A Owner's Manual

10. MAINTENANCE
7. Thread the plugs in by hand to pre-
vent cross threading.
8. After the spark plugs are seated,
tighten with a spark plug wrench to
compress the washers.
If installing new spark plugs,
tighten l/2
turn after the spark plugs seat to com-
press the washers. if reinstalling used
spark plugs, tighten I /8- 114 turn after
the spark plugs seat to compress the
washers.
@&@I The spark plugs must be
securely tightened. A loose spark
plug can become very hot and may
cause engine damage.
Overtightening the spark plugs can
damage the threads.
Battery (not included)
Minimum requirements
12V-7OA.H marine cranking battery.
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