Yamaha EF4000DE User Manual
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B
C
Does not flicker
D
Flickers
AE00515
FOR YG4000D/YG5200D/YG6600D
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.
Engine does not
start.
Engine starts.
I
J
Check the following
9 Fuel cock clogging
9 Air cleaner element
clogging.
N
O
Clogged
P
OK
Clean or Replace; Consult a
Yamaha dealer.
Q
R
Consult a Yamaha dealer.
K
Check the spark plug.
9 Type:
9 Gap:
L
Incorrect
M
OK
Replace or
Adjust Gap.
Clean the spark
plug.
E
Check engine oil level.
F
OK
G
Level low
Consult a
Yamaha dealer.
Add engine oil.
7WV-9-11 B 10/15/03 3:50 PM Page 39