Maintenance
77
ing of the engine is mandatory to prevent ex-
cessive engine damage due to rust. Perform
the flushing and fogging at the same time.
1.
Wash the outboard motor body using
fresh water.
NOTICE:
Do not spray wa-
ter into the air intake.
[ECM01840]
For further
information, see page 78.
2.
When using the built-in fuel tank, com-
pletely drain the fuel from the tank, and
then align the fuel cock with the closed
position and tighten the air vent screw.
For draining of the built-in fuel tank, con-
sult a Yamaha dealer.
3.
When using a portable fuel tank, discon-
nect the fuel hose, install the fuel joint
cap, and then align the fuel cock with the
closed position.
4.
Remove the top cowling and fogging hole
cap.
5.
Remove the propeller. For further infor-
mation, see page 89.
6.
Remove the screw located beside the
“
” (wash) mark on the lower case.
Install the water flush plug and connect it
to a fresh water tap.
7.
Cover the cooling water inlet with tape.
8.
Turn on the water supply to the outboard
motor.
9.
Move the gear shift lever to the neutral
position.
10. Start the engine and run it for a few min-
utes at engine idle speed.
WARNING!
Do not touch or remove electrical
parts when starting or during opera-
tion. Keep hands, hair, and clothes
away from the flywheel and other ro-
tating parts while the engine is run-
ning.
[EWM00091]
11. Before the engine stops, quickly spray
“Fogging Oil” into the fogging hole of the
silencer. When properly done, the engine
will smoke excessively and stop.
1. Closed position
1. Cap
ZMU06871
1
1
1
ZMU06822
1. Water flush plug
1
ZMU02509
U6BV23E0.book Page 77 Tuesday, April 5, 2011 2:38 PM