Trouble Recovery
89
EMU29671
Engine fails to operate
EMU35320
Emergency engine operation
If the battery voltage is low or in the unlikely
event of an ignition system malfunction, the
engine speed may become erratic or the en-
gine may stop. In such a situation, follow the
procedure below.
Disconnect the yellow cord (emergency cir-
cuit) of the CDI unit.
Run the engine at low speed and return to
port.
CAUTION:
ECM00380
Follow this procedure only in an emergen-
cy and just long enough to return to port
for repairs.
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.
EMU29783
Procedure
1. Thoroughly wash away mud, salt, sea-
weed, and so on, with fresh water.
2. Remove the spark plug(s), then face the
spark plug holes downward to allow any
water, mud, or contaminants to drain.
3. Drain the fuel from the carburetor, fuel fil-
ter, and fuel line. Drain the engine oil
completely.
4. Fill the sump with the fresh engine oil.
5. Feed engine fogging oil or engine oil
through the carburetor(s) and spark plug
holes while cranking the engine with the
manual starter or emergency starter
rope.
6. Take the outboard motor to a Yamaha
dealer as soon as possible.
CAUTION:
ECM00400
Do not attempt to run the outboard motor
until it has been completely inspected.
1. Yellow cord
Engine oil capacity:
0.8 L (0.85 US qt) (0.70 Imp.qt)
U6AU11E0.book Page 89 Friday, September 7, 2007 10:51 AM
©2019 Yamaha Motor Corporation, U.S.A.
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