Owner`s manual

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A ENGINE DOES NOT START
B
Turn the engine switch to “ON”, then push
the starter switch. And check if the starter
motor cranks.
C Cranks D Does not crank
F
Turn the engine switch to “ON” then push
the starter switch, and check if the oil
warning light flickers.
G Does not flicker H Flickers
L
Turn the engine switch to “ON” then push
the starter switch, and check the spark
plug for spark strength.
(See “WARNING”).
w
9 To prevent FIRE HAZARDS be
sure fuel is not present in the
spark plug area.
9 To prevent FIRE HAZARDS be
sure to place the spark plug
as far way as possible from
the spark plug hole and car-
buretor area.
9 To prevent ELECTRIC SHOCK
do not hold spark plug lead
with hand while testing.
MOKNDoes not spark
R
Check the following
9 Fuel cock clogging
9 Air cleaner element
clogging.
SClogged
TOK
Clean
or
replace
U
X Consult a Yamaha dealer.
V
W
OK
Engine does not start.
For EF4000DE
7DA-F8199-12-B 2011.2.21 13:11 Page 41