Procedure - Yamaha F25 Owner's Manual
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Also See for F25:
- Owner's manual (122 pages) ,
- Service manual (43 pages) ,
- User manual (25 pages)
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Maintenance
and storing it. If storing or transporting
the outboard motor on its side (not up-
right), put it on a cushion after draining
the engine oil.
Do not place the outboard motor on its
G
side before the cooling water has
drained from it completely, otherwise
water may enter the cylinder through
the exhaust port and cause engine trou-
ble.
Store the outboard motor in a dry, well-
G
ventilated place, not in direct sunlight.
EMU28304
Procedure
EMU39020
Flushing in a test tank
ECM02130
NOTICE
Do not run the engine without supplying
it with cooling water. Either the engine
water pump will be damaged or the en-
gine will be damaged from overheating.
Cooling system flushing is essential to pre-
vent the cooling system from clogging up
with salt, sand, or dirt. In addition, fogging of
the engine is mandatory to prevent exces-
sive 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.
70
ZMU03659
For fur-
[ECM01840]
ther information, see page 72.
2.
Disconnect the fuel line from the out-
board motor.
3.
Remove the engine top cowling and pro-
peller. For further details, see page 82.
4.
Install the outboard motor on a water
tank. Fill the tank with fresh water until
the anti-cavitation plate is immersed in
water. NOTICE: If the fresh water level
is below the level of the anti-cavita-
tion plate, or if the water supply is in-
sufficient, engine seizure may occur.
[ECM00291]
1. Water surface
2. Lowest water level
5.
Run the engine at a fast idle for 10–15
minutes in neutral position.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]
6.
Just prior to turning off the engine, quick-
ly spray "Yamaha Stor-Rite Engine
Fogging Oil" alternately into the silencer
cover. When properly done, the engine
will smoke excessively and almost stall.
1
2
ZMU02051
- Quick Links:
- Engine Oil Requirements
- Changing Engine Oil
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