Yamaha EF1000iS Owner's Manual page 37

AE00515
A ENGINE DOES NOT START
B
Turn the engine switch to "ON", then pull
the recoil starter and check if the oil
warning light flickers.
C Does not flicker
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 away 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.
I OK
N Check the following
9 Fuel line clogging
9 Air cleaner element
clogging.
D Flickers.
J Dose not spark
O Clogged
P OK
E Check engine oil level.
F
Consult a
Yamaha dealer.
K Check the spark plug.
9 Type: CR4HSB
9 Gap: 0.6–0.7 mm (0.024–0.028 in)
L Incorrect
Replace or
adjust gap.
Q
Clean
or
replace
T Consult a Yamaha dealer.
– 32 –
OK G Level low
Add engine oil.
M
Clean the spark
plug.
R OK
S Engine does not start.
OK