Lubrication; Cleaning The Outboard Motor; Checking Painted Surface Of Motor; Periodic Maintenance - Yamaha F4A Owner's Manual

15. Remove the outboard motor from the
test tank.
16. Install the top cowling and fogging hole
cap.
17. Drain the cooling water completely out
of the motor. Clean the body thoroughly.
TIP:
Store the fuel tank in a dry, well-ventilated
place, not in direct sunlight.
EMU28402

Lubrication

1. Install the spark plug(s) and torque to
proper specification. For information on
spark plug installation, see page 49.
2. Change the gear oil. For instructions,
see page 54. 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 49.
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.
EMU28450

Cleaning the outboard motor

After use, wash the exterior of the outboard
motor with fresh water. Flush the cooling
system with fresh water.
TIP:
For cooling system flushing instructions, see
page 41.
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Checking painted surface of motor

Check the motor for scratches, nicks, or flak-
ing paint. Areas with damaged paint are
more likely to corrode. If necessary, clean
and paint the areas. A touch-up paint is avail-
able from your Yamaha dealer.
EMU37091

Periodic maintenance

EWM01981
WARNING
These procedures require mechanical
skills, tools, and supplies. If you do not
have the proper skills, tools, or supplies
to perform a maintenance procedure,
have a Yamaha dealer or other qualified
mechanic do the work.
The procedures involve disassembling
the motor and exposing dangerous parts.
To reduce the risk of injury from moving,
hot, or electrical parts:
Turn off the engine and keep engine
●
shut-off cord (lanyard) with you when
you perform maintenance unless other-
wise specified.
Allow the engine to cool before han-
●
dling hot parts or fluids.
Always completely reassemble the mo-
●
Maintenance
ZMU02703
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