Maintenance And Care; Storage; Flushing The Cooling System - Yamaha WaveRunner SuperJet 2009 Owner's/Operator's Manual

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Maintenance and care

EJU33480

Storage

EWJ00320
WARNING
Always turn the fuel cock knob to "OFF"
when storing the watercraft, otherwise
fuel could leak out into the engine or en-
gine compartment, which would create a
fire hazard.
Storage for long periods of time, such as win-
ter storage, requires preventive maintenance
to ensure against deterioration. It is advisable
to have the watercraft serviced by a Yamaha
dealer prior to storage. However, the following
procedures can be performed by the owner.
EJU33513

Flushing the cooling system

Flushing the cooling system is essential to
prevent it from clogging with salt, sand, or dirt.
(1) Place the watercraft in a horizontal posi-
tion.
(2) Remove the hood. (See page 17 for hood
removal and installation procedures.)
(3) Remove the flushing hose connector
cap, and then insert the garden hose
45
adapter into the flushing hose connector
and turn it until it is securely connected.
1 Garden hose adapter
2 Flushing hose connector
3 Flushing hose connector cap
(4) Connect the garden hose adapter to a
water tap using a garden hose.
TIP:
A garden hose is not included.
(5) Start the engine, and then immediately
turn the water supply on until water flows
out continually from the cooling water pi-
lot outlet. NOTICE: Do not run the en-
gine for more than 15 seconds without
supplying water, otherwise the engine
could overheat.
TIP:
If you will be storing the watercraft for a pro-
longed period, such as winter storage, top off
the fuel tank with fresh gasoline and add fuel
stabilizer and conditioner to the fuel tank ac-
cording to the manufacturer's instruction be-
fore starting the engine.
(6) Run the engine at idling speed for about
3 minutes watching the engine condition.
If the engine stops while flushing, turn the
water supply off immediately and repeat
the above steps. NOTICE: Do not sup-
ply water to the cooling water passag-
es when the engine is not running. The
water could flow back through the
[ECJ01010]

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