Owner`s manual

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B
C Does not flicker D Flickers
For EF4000D
A ENGINE DOES NOT START
Turn the engine switch to “ON”, then pull
the recoil starter and check if the oil warn-
ing light flickers.
H
Pull the recoil starter 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 carburetor
area.
9 To prevent ELECTRIC SHOCK do
not hold spark plug lead with
hand while testing.
OK Does not spark
I J
Check the following
9 Fuel line clogging
9 Air cleaner element
clogging.
N
OClogged
POK
K Check the spark plug.
9 Type : BPR4ES
9 Gap : 0.7–0.8 mm (0.028–0.031 in)
L Incorrect M OK
Replace or
adjust gap.
Clean the spark
plug.
E Check engine oil level.
FOKGLevel low
Consult a
Yamaha dealer.
Add engine oil.
Clean
or
replace
Q
T Consult a Yamaha dealer.
R
S
OK
Engine does not start.
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