– 31 –
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
D
Flickers
E Check engine oil level.
F
OK
G
Level low
Consult a
Yamaha dealer.
Add engine oil.
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.
N Check the following.
9
Fuel line clogging
9
Air filter element
clogging.
O Clogged
P OK
Q
Clean
or
replace.
R
OK
S Engine does not start.
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
J
Does not spark
T Consult a Yamaha dealer.
7VB-F-10_E0.indd 31
2012/08/10 14:05:05
