Yamaha F300A - Procedure; Lubrication; Flushing Power Unit

Maintenance
83
EMU28305
Procedure
EMU31380
Draining the gasoline from the vapor sep-
arator
TIP:
This procedure is performed while the top
cowling is removed.
1. Drain the remaining gasoline in the va-
por separator into a container. Loosen
the drain screw, and then remove the
cap. Push in the air valve with a screw-
driver to introduce air into the float
chamber, so that the gasoline will drain
smoothly. Then, tighten the drain screw.
EMU31392
Washing the outboard motor
TIP:
This procedure is performed while the top
cowling is installed.
1. Wash the outboard motor body using
fresh water. NOTICE: Do not spray wa-
ter into the air intake.
[ECM01840]
2. Drain the cooling water completely out of
the motor. Clean the body thoroughly.
EMU28402
Lubrication
1. Install the spark plug(s) and torque to
proper specification. For information on
spark plug installation, see page 90.
2. Change the gear oil. For instructions,
see page 96. Inspect the oil for the pres-
ence of water that indicates a leaky seal.
Seal replacement should be performed
by an authorized Yamaha dealer prior to
use.
3. Grease all grease fittings. For further de-
tails, see page 89.
TIP:
For long-term storage, fogging the engine
with oil is recommended. Contact your
Yamaha dealer for information about fogging
oil and procedures for your engine.
EMU28444
Flushing power unit
Perform this procedure right after operation
for the most thorough flushing.
1. Vapor separator
2. Drain screw
3. Cap
1. Air valve
ZMU05857
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3
2
ZMU05858
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