Operating Engine; Feeding Fuel (Portable Tank) - Yamaha 4AC Owner's Manual

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

EMU27461

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-
toms include nausea, dizziness, and
drowsiness. Keep cockpit and cabin ar-
eas well ventilated. Avoid blocking ex-
haust outlets.
1. If there is an air vent screw on the fuel
tank cap, loosen it 2 or 3 turns.
2. If there is a fuel joint on the motor, firmly
connect the fuel line to the joint. Then
firmly connect the other end of the fuel
line to the joint on the fuel tank.
3. If a steering friction adjuster is provided
on your outboard motor, securely attach
the fuel line to the fuel line clamp.
Operation
ZMU02024
18