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Maintenance
71
7. Remove the outboard motor from the
test tank.
8. Drain the cooling water completely out
of the motor. Clean the body thoroughly.
9. Install the top cowling.
10. Fill the fuel tank with fresh fuel and add
one ounce of “Yamaha Fuel Conditioner
and Stabilizer” to each gallon of fuel.
T
IP:
The use of “Yamaha Fuel Conditioner and
Stabilizer” eliminates the need to drain the
fuel system. Consult your Yamaha dealer or
other qualified mechanic if the fuel system is
to be drained instead.
11. Store the fuel tank in a dry, well-ventilat-
ed 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 78.
2. Change the gear oil. For instructions,
see page 84. 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 77.
T
IP:
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.
EMU28423
Cleaning and anticorrosion
measures
1. Wash down the exterior of the outboard
motor with fresh water and dry off com-
pletely.
NOTICE:
Do not spray water
into the air intake.
[ECM01840]
2. Spray the outboard motor exterior with
“Yamaha Silicone Protectant”.
3. Wax the cowling with a non-abrasive
wax such as “Yamaha Silicone Wax”.
EMU28443
Flushing power unit
Perform this procedure right after operation
for the most thorough flushing.
NOTICE
ECM01530
Do not perform this procedure while the
engine is running. The water pump may
be damaged and severe damage from
overheating can result.
1. After shutting off the engine, unscrew
the garden hose connector from the fit-
ting on the bottom cowling.
ZMU06571