Yamaha EF6300iSE Owner's Manual page 104

L
Turn the engine switch to "6" (START)
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.
M OK
R
Check the following
9 Fuel cock clogging
9 Air filter element clog-
ging.
N Does not spark.
S
Clogged
T
OK
O Check the spark plug.
9 Type: BPR4ES (NGK)
9 Gap: 0.7–0.8 mm (0.028–0.031 in)
P Incorrect
Replace or
adjust gap.
U
Clean
or
replace
X Consult a Yamaha dealer.
- 93 -
Q OK
Clean the spark
plug.
V OK
W Engine does not start.
E