Lubrication; Cleaning And Anticorrosion Measures; Flushing Power Unit - Yamaha F50 Owner's Manual

Maintenance
silencer or the fogging hole of the silenc-
er cover, if equipped. When properly
done, the engine will smoke excessively
and almost stall.
8. Remove the flushing attachment and
wipe off any excess water.
9. Install the top cowling and propeller.
10. Drain the cooling water completely out of
the motor. Clean the body thoroughly.
TIP:
A flushing attachment is available from your
Yamaha dealer.
EMU28402

Lubrication

1. Install the spark plug(s) and torque to
proper specification. For information on
spark plug installation, see page 85.
2. Change the gear oil. For instructions,
see page 91. 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 84.
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.
78
EMU30267
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.
information, see page 79.
2. Spray the outboard motor exterior with
"Yamaha Silicone Protectant". NOTICE:
Do not spray when the engine is run-
ning. Also, do not spray near the si-
lencer or into the engine. Otherwise
ZMU07922 the engine could be damaged.
3. Wax the cowling with a non-abrasive
wax such as "Yamaha Silicone Wax".
EMU28445

Flushing power unit

Perform this procedure right after operation
for the most thorough flushing.
ECM01530
NOTICE
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.
For further
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