Treatment Of Submerged Motor; Procedure - Yamaha F250 Owner's Manual

9. Fasten the water detection switch lead
with the holder.
1. Holder
10. Install the top cowling.
11. Start the engine and make sure that the
water separator warning indicator re-
mains off.
NOTE:
Have a Yamaha dealer inspect the outboard
motor after returning to port.
EMU29760

Treatment of submerged motor

If the outboard motor is submerged, immedi-
ately take it to a Yamaha dealer. Otherwise
some corrosion may begin almost immediate-
ly.
If you cannot immediately take the outboard
motor to a Yamaha dealer, follow the proce-
dure below in order to minimize engine dam-
age.
EMU29970

Procedure

1. Thoroughly wash away mud, salt, sea-
weed, and so on, with fresh water.
2. Remove the spark plugs and face the
spark plug holes downward to allow any
water, mud, or contaminants to drain.
3. Drain the fuel from the vapor separator,
fuel filter, and fuel line.
Trouble Recovery
4. Spray "Fogging Oil" or supply engine oil
through the intake manifold and spark
plug holes while rotating the flywheel
manually.
5. Take the outboard motor to a Yamaha
dealer as soon as possible.
ECM00400
CAUTION:
Do not attempt to run the outboard motor
until it has been completely inspected.
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