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3-2
3 OPERATION
Additive, available from your Yamaha
dealer, is formulated to remove existing
deposits and, when used continuously,
prevent new ones from forming, while
also helping to keep fuel injectors and
other fuel system components clean for
proper performance and longer engine
life.
ENGINE OIL
ENGINE OIL LEVEL
Check the oil level in both engines
before each use. Check the oil on each
engine when cold to be sure there is
enough oil to run the engine
Be sure the engine has enough oil
but do not overfill. If there is too
little oil, the engine can be dam-
aged. If there is too much oil, the
air filter can become saturated with
oil, permanently damaging the filter
and reducing engine performance.
Follow the checking procedure care-
fully.
TIP:
• Eachenginehasanoil-tanksystem.
It is normal for the oil level to vary
depending upon whether the engine
is cold or at operating temperature.
• Adding1USqt.(0.95lit)ofoilwill
raise the oil level on the dipstick by
approximately 2.2 in. (56 mm).
To check oil, be sure the boat is level,
either in the water or on the trailer.
Open the engine compartment by pull-
ing up on the two latches located under
the front of the rear seat.
Cold Engine Check
1) Remove the oil tank filler cap
,
wipe the dipstick with a clean rag,
and then screw the cap on securely.
Remove the cap again and check
the oil level.
①
①
Operation
47
EJU31890
Engine oil
Use a combination of the recommended SAE
and API engine oil classifications shown in the
chart below.
CAUTION:
ECJ00280
Use only 4-stroke engine oil.
EJU31951
Filling the fuel tank
CAUTION:
ECJ00290
Be careful when refueling. Avoid getting
water and other contaminants in the fuel
tank. Contaminated fuel can cause poor
running and engine damage.
(1) Remove the seats. (See page 28 for seat
removal and installation procedures.)
(2) Remove the fuel tank filler cap, and then
slowly add fuel to the fuel tank. Stop filling
when the fuel level reaches approximate-
ly 50 mm (2 in) from the top of the fuel
tank as indicated in the illustration.
(3) Install the fuel tank filler cap and the
seats.
1 Approximately 50 mm (2 in) from top of the
fuel tank
Fuel tank capacity:
70 L (18.5 US gal) (15.4 Imp.gal)
UF1Y12E0.book Page 47 Wednesday, June 13, 2007 1:05 PM
Recommended oil:
Yamalube 4W
If Yamalube 4W is not available, use
another 4-cycle oil that meets the
following specifications.