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4
M
aintenance
4) Turn off the water supply, then drain
residual water from the exhaust
system by alternately pushing the
throttle lever up to half throttle and
back for 10 to 15 seconds. Shut off
engine.
NOTICE:
Never have the water on when the
engine is not running. The water
could flow back through the muffler
into the crankcase causing severe
engine damage. Do not run the en-
gine for more than 15 seconds after
the water supply has been turned off
to avoid engine overheating.
5) After stopping the engine, remove
the garden hose adapter.
6) Replace the cap securely.
7) Repeat the flushing procedure for
the other engine.
LUBRICATION
Grease the areas of the boat specified
in "Grease Points" in the Adjustment
and Maintenance section.
If your boat will be in prolonged, off-
season storage, it is recommended you
contact your Yamaha dealer for Winter-
ization Service.
& c
are
4-2
BATTERY SWITCHES
(242 Limited and 242 Limited S
Models)
This boat uses two marine batteries.
One battery is designated as the "Start"
battery and the other as the "House"
battery. The Start battery is connected
to the starter circuits on both engines
to provide current for the starter mo-
tors. The House battery provides power
for the various accessory circuits on
the boat such as lighting, bilge pump,
blowers and audio system. The bat-
teries and switches are located in the
compartment under the port side pas-
senger seat cushion.
Emergency Parallel On
There are three switches on the Battery
Switch assembly. In normal operation,
keep the Start and House switch-
es in the ON (Green) position. Keep
the Emergency Parallel switch in the
OFF (Red) position. This setting allows
both batteries to be charged automati-
cally while the engines are running, but
keep the drain on the batteries sepa-
rated.
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