Yamaha F2.5A Owner's Manual page 70

Maintenance
1. Water surface
2. Lowest water level
3. Cooling water inlet
7. Fill the test tank with fresh water to
above the level of the anti-cavitation
plate. NOTICE: If the fresh water level
is below the level of the anti-cavitation
plate, or if the water supply is insuffi-
cient, engine seizure may occur.
[ECM00292]
8. Move the gear shift lever to the neutral
position.
9. 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.
[EWM00092]
10. 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.
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11. If "Fogging Oil" is not available, run the
12. Remove the outboard motor from the
13. Drain the cooling water completely out of
14. Install the fogging hole cap and top cowl-
15. Install the propeller. For further informa-
EMU39625
Flushing with the water flush plug (option-
al) (F4B, F5A, F6C)
ECM00302
NOTICE
Before starting the engine, make sure to
supply water to the cooling water passag-
es. Otherwise, the engine could overheat
and be damaged.
Cooling system flushing is essential to pre-
vent the cooling system from clogging up
with salt, sand, or dirt. In addition, fogging/lu-
bricating of the engine is mandatory to pre-
engine at engine idle speed until the fuel
system empties and the engine stops.
Check that the engine has stopped, and
then remove the spark plug. Pour a tea-
spoonful of clean engine oil into the cyl-
inder. Crank several times manually.
Install the spark plug.
test tank.
the outboard motor. Clean the body
thoroughly.
ing.
tion, see page 79.
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