Lubrication; Cleaning The Outboard Motor; Checking Painted Surface Of Motor; Periodic Maintenance - Yamaha 20D Owner's Manual

stops.
11. Drain the cooling water completely out
of the motor. Clean the body thoroughly.
12. If the "Fogging Oil" is not available, re-
move the spark plug(s). Pour a tea-
spoonful of clean engine oil into each
cylinder. Crank several times manually.
Replace the spark plug(s).
13. Drain the fuel from the fuel tank.
TIP:
Store the fuel tank in a dry, well-ventilated
place, not in direct sunlight.
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Lubrication

1. Install the spark plug(s) and torque to
proper specification. For information on
spark plug installation, see page 55.
2. Change the gear oil. For instructions,
see page 59. 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 55.
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.
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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 48.
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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.
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Periodic maintenance

EWM02010
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 the key(s)
G
and engine shut-off cord (lanyard) with
you when you perform maintenance
unless otherwise specified.
Allow the engine to cool before han-
G
dling hot parts or fluids.
Always completely reassemble the mo-
G
Maintenance
ZMU02871
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