Maintenance
81
TIP:
A flushing attachment is available from your
Yamaha dealer.
5.
Run the engine at a fast idle for a few
minutes in neutral while supplying fresh
water.
WARNING! Do not touch or re-
move electrical parts when starting or
during operation. Keep hands, hair,
and clothes away from the flywheel
and other rotating parts while the en-
gine is running.
[EWM00092]
TIP:
When using the flushing attachment, main-
tain adequate water pressure so that there
is a steady flow of water from the cooling
water pilot hole.
If the overheat alert device is activated, turn
the engine off, and consult your Yamaha
dealer.
6.
Just prior to turning off the engine, quick-
ly spray “Yamaha Stor-Rite Engine Fog-
ging Oil” into the intake silencer. When
properly done, the engine will smoke ex-
cessively and almost stall.
7.
Turn off the water supply, and then re-
move the flushing attachment and wipe
off any excess water.
8.
Install the top cowling and propeller.
9.
Drain the cooling water completely out of
the outboard motor. Clean the exterior of
the outboard motor thoroughly.
EMU41072
Lubrication
1.
Change the gear oil. For instructions, see
page 96. Check the gear 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.
2.
Lubricate all grease fittings. For further
details, see page 88.
TIP:
For long-term storage, fogging the engine
with fogging oil is recommended. Contact
your Yamaha dealer for information about
fogging oil and procedures for your outboard
motor.
EMU30268
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.
[ECM01841]
For further in-
formation, see page 82.
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
the engine could be damaged.
[ECM01403]
3.
Wax the cowling with a non-abrasive
wax such as “Yamaha Silicone Wax”.
EMU40964
Flushing cooling water passage
Perform this procedure right after operation
for the most thorough flushing.
NOTICE
ECM01531
Do not perform this procedure while the
engine is running. The water pump may be
damaged and severe damage from over-
heating can result.
ZMU08100
U6EK31E0.book Page 81 Thursday, December 11, 2014 10:13 AM
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2019 Yamaha Motor Corporation, U.S.A.
