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
and 17 mm wrench to compress
the washers.
If installing new spark plugs, tighten
l/2 turn after the spark plugs seat
to compress the washers. If reinstll-
ing used spark plugs, tighten l/8-
1/4 turn after the spark plugs seat
to compress the washers.
CORD
1
CORD
2
CORD
3
CORD
4
PLUG 1
PLUG 2
PLUG 3
PLUG 4
9. Reinstall the spark plug caps, match-
ing the numbers on the cords with
the cylinder numbers, as shown.
lNoTlCEl
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-70AH marine cranking battery.
Maintenance interval
Refer to the maintenance schedule
page 107 and your battery manufac-
turer’s instructions for servicing or
recharging information.
Check the battery cables to be sure
they are securely connected to the bat-
tery terminals. Tighten if necessary.
If the battery terminals are corroded or
if recharging is necessary, remove the
battery from the boat to clean or
recharge.
113
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