Operating Engine; Feeding Fuel (Portable Tank) - Yamaha 15F Owner's Manual

If equipped with a portable fuel tank
1. Pour oil into the portable fuel tank, and
then add gasoline.
1. Engine oil
2. Gasoline
2. Replace the fuel tank cap and close tight-
ly.
3. Shake the fuel tank to mix the fuel thor-
oughly.
4. Make sure that the oil and gasoline are
mixed.
If equipped with a built-in fuel tank
1. Pour oil into a clean fuel can, and then
add gasoline.
2. Replace the fuel can cap and close tight-
ly.
3. Shake the fuel can to mix the fuel thor-
oughly.
4. Make sure that the oil and gasoline are
mixed.
5. Pour the gasoline and oil mixture into the
built-in fuel tank.
ECM00811
CAUTION:
Avoid using any oil other than the spec-
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ified type.
Use a thoroughly blended fuel-oil mix-
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ture.
If the mixture is not thoroughly mixed, or
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if the mixing ratio is incorrect, the fol-
lowing problems could occur.
Low oil ratio: Lack of oil could cause ma-
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jor engine trouble, such as piston sei-
zure.
High oil ratio: Too much oil could cause
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fouled spark plugs, smoky exhaust, and
heavy carbon deposits.
NOTE:
If using a permanently installed tank, pour the
oil gradually as the gasoline is being added to
the tank.
EMU27450

Operating engine

EMU27463

Feeding fuel (portable tank)

EWM00420
WARNING
Before starting the engine, make sure
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that the boat is tightly moored and that
you can steer clear of any obstructions.
Be sure there are no swimmers in the
water near you.
When the air vent screw is loosened,
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gasoline vapor will be released. Gaso-
line is highly flammable, and its vapors
are flammable and explosive. Refrain
from smoking, and keep away from
open flames and sparks while loosening
the air vent screw.
This product emits exhaust gases which
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contain carbon monoxide, a colorless,
odorless gas which could cause brain
damage or death when inhaled. Symp-
Operation
18