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A
ENGINE DOES NOT START
B
Turn the engine switch to "7" (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")
WARNING
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 filter element
clogging
D
Flickers
J
Does not spark
O
Clogged
P
OK
E
Check engine oil level.
F
Consult a
Yamaha dealer.
K
Check the spark plug.
9 Type: BPR4ES
9 Gap: 0.7–0.8 mm (0.028–0.031 in)
L
Incorrect
Replace or
adjust gap.
Q
Clean
or
replace.
T
Consult a Yamaha dealer.
– 41 –
OK
G
Level low
Add engine oil.
M
Clean the spark
plug.
R
OK
S Engine does not start.
OK
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