Maintenance
84
TIP:
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.
EMU28402
Lubrication
1.
Install the spark plug(s) and torque to
proper specification. For information on
spark plug installation, see page 91.
2.
Change the gear oil. For instructions, see
page 96. Inspect the oil for the presence
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 90.
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.
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”.
EMU34741
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 over-
heating can result.
1.
After shutting off the engine, unscrew the
garden hose connector from the fitting on
the bottom cowling.
2.
Screw the garden hose adapter onto a
garden hose, which is connected to a
fresh water supply, and then connect it to
the garden hose connector.
3.
With the engine off, turn on the water tap
and let the water flush through the cool-
ing passages for about 15 minutes. Turn
1. Fitting
2. Garden hose connector
3. Garden hose adapter
U6BR11E0.book Page 84 Friday, June 13, 2008 3:43 PM
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2019 Yamaha Motor Corporation, U.S.A.
