Care and storage
72
flows out continually from the jet thrust
nozzle.
(7) 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 perform
the procedure again from step 6.
NOTICE: Do not supply water to the
cooling water passages when the en-
gine is not running. The water could
flow back through the muffler into the
engine, causing severe engine dam-
age.
[ECJ00122]
(8) Turn the water supply off.
(9) Discharge the remaining water out of the cooling water passages by alternately
squeezing and releasing the throttle lever
quickly for 10 to 15 seconds.
(10) Stop the engine.
(11) Remove the garden hose adapter, and then securely install the flushing hose
connector cap by tightening it until it
stops.
(12) Securely install the seat in its original po- sition.
EJU40612Cleaning the watercraft
(1) Remove the seat. (See page 38 for seatremoval and installation procedures.)
(2) Rinse the engine and engine compart- ment with a small amount of water.
NOTICE: Do not use high-pressure water when rinsing the engine or en-
gine compartment as severe engine
damage could result.
[ECJ00571]
(3) Drain the water from the engine compart-
ment. (See page 47 for information on
draining the bilge water.)
(4) Wipe the engine and engine compart- ment with a dry cloth.
(5) Wash down the hull, deck, and jet pump with fresh water.
(6) Wipe the hull, deck, and jet pump with a dry cloth.
(7) Wipe all vinyl and rubber components, such as the seat and engine compart-
ment seals, with a vinyl protectant.
(8) To minimize corrosion, spray metallic parts of the hull, deck, and engine with a
rust inhibitor.
(9) Allow the engine compartment to air dry completely before installing the seat.
(10) Securely install the seat in its original po- sition.
EJU33686Battery care
If the watercraft will not be used for more than
a month, remove the battery from the water-
craft, check it, and then store it in a cool, dry
place.
WARNING
EWJ00791
Battery electrolyte is poisonous and dan-
gerous, causing severe burns, etc. Elec-
trolyte contains sulfuric acid. Avoid
contact with skin, eyes, or clothing.
Antidotes
External: Flush with water.
Internal: Drink large quantities of water or
milk. Follow with milk of magnesia, beaten
egg, or vegetable oil. Call a physician im-
mediately.
Eyes: Flush with water for 15 minutes and
get prompt medical attention.
UF2M72E0.book Page 72 Thursday, July 12, 2012 5:05 PM
Maintenance
79
EJU37062Periodic maintenance chart
The periodic maintenance chart gives general guidelines for periodic maintenance. Have a
Yamaha dealer perform the checks in the following chart. However, maintenance may need to be performed more frequently depending on your operating conditions. If you have any ques-
tions, consult a Yamaha dealer.
This “ ” mark indicates items to be checked and serviced by a Yamaha dealer.
Item OperationInitial
Thereafter every
Page
10
hours 50 hours
100
hours 200
hours
6
months 12
months 12
months 24
months
Spark plugs Check, clean, replace —
Lubrication points Lubricate —
Internal engine
components Spray lubricant
—
Intermediate hous-
ing Lubricate
—
Fuel system Check —
Fuel tank Check, clean —
Engine idling
speed Check, adjust
—
Throttle shaft Check —
Water inlet strain-
er Check, clean
—
Bilge strainer Clean —
Impeller Check —
Jet thrust nozzle
angle Check, adjust
—
Shift cable and re-
verse gate Check, adjust
—
Throttle cable Check —
Stern drain plugs Check, replace —
Battery Check, charge —
Rubber coupling Check —
Engine mount Check —
Nuts and bolts Check —
Air filter element Check —
UF2M72E0.book Page 79 Thursday, July 12, 2012 5:05 PM