Gasoline And Oil Mixing (50:1) - Yamaha 40v Owner's Manual

the fuel tank cap.
3. Remove the portable tank from the boat.
4. Be sure you are in a well-ventilated out-
door area, either securely moored or
trailered.
5. Do not smoke and keep away from
sparks, flames, static electric discharge,
or other sources of ignition.
6. If you use a portable container to store
and dispense fuel, use only an approved
GASOLINE container.
7. Touch the fuel nozzle to the filler open-
ing or funnel to help prevent electrostatic
sparks.
8. Fill the fuel tank, but do not overfill. Fuel
can expand and overflow if the tempera-
ture increases.
Fuel tank capacity:
24 L (6.34 US gal, 5.28 Imp.gal)
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9. Tighten the filler cap securely.
10. Wipe up any spilled gasoline immediate-
ly with dry rags. Dispose rags properly
according to local laws or regulations.
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Gasoline and oil mixing (50:1)

ECM00811
NOTICE
Avoid using any oil other than the spec-
G
ified type.
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Use a thoroughly blended fuel-oil mix-
G
ture.
If the mixture is not thoroughly mixed,
G
or if the mixing ratio is incorrect, the
following problems could occur.
Low oil ratio: Lack of oil could cause
G
major engine trouble, such as piston
seizure.
High oil ratio: Too much oil could cause
G
fouled spark plugs, smoky exhaust,
and heavy carbon deposits.
Break-in period
After break-in
Operation
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Gasoline to engine
oil ratio
25:1
50:1
37