Pre-Operation Check Points; Pre-Launch Checks - Yamaha 2017 WaveRunner EX Owner's/Operator's Manual

Pre-operation checks
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Pre-operation check points

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Pre-launch checks

Perform the pre-launch checks in the pre-op-
eration checklist while the watercraft is on
land.
To perform the pre-launch checks:
(1) Remove the seat, seat storage compart-
ment, and fire extinguisher holder. (See
page 39 for seat removal and installation
procedures, page 43 for information on
the seat storage compartment, and page
44 for information on the fire extinguisher
holder.)
(2) Perform the checks and make sure that
there are no malfunctioning items or oth-
er problems.
(3) After completing these checks, securely
install the seat storage compartment, fire
extinguisher holder, and seat in their
original positions.
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Engine compartment check
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WARNING
Failure to ventilate the engine compart-
ment could result in a fire or explosion. Do
not start the engine if there is a fuel leak.
Ventilate the engine compartment. Leave the
engine compartment open for a few minutes
to allow any fuel vapors to escape.
54
Make sure that there is no damage inside the
engine compartment.
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Fuel system checks
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WARNING
Leaking fuel can result in fire or explosion.
Check for fuel leakage regularly.

If any fuel leakage is found, the fuel sys-

tem must be repaired by a qualified me-
chanic. Improper repairs can make the
watercraft unsafe to operate.
Make sure that there is no damage, leakage,
or other problem in the fuel system.
Check:
Fuel filler cap and seal for damage

Fuel tank for damage and leakage

Fuel hoses and joints for damage and leak-

age
Fuel tank breather hose for damage and

leakage
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Fuel level check
Check the fuel level in the fuel tank.
Add fuel if necessary. (See page 45 for infor-
mation on filling the fuel tank.)
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Water separator check
Make sure that no water has collected in the
water separator. If water has collected in the