– 38 –
B
C
Does not flicker
D
Flickers.
A
ENGINE DOES NOT START
Turn the engine switch to “ON”, then pull
the recoil starter and check if the oil
warning 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
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.
Does not spark
I
J
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.
F
OK
G
Level low
Consult a
Yamaha dealer.
Add engine oil.
OK
Check the following
9
Fuel line clogging
9
Air filter element clog-
ging.
N
T
Consult a Yamaha dealer.
Clean
or
replace
Q
S
Engine does not start.
R
OK
P
OK
O
Clogged
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