Perio
d
ic maintenance an
d
a
d
justment
7-34
7
EAU67940
Trou
b
leshootin
g
chart
1. Fuel
There is eno
u
gh f
u
el.
There is no f
u
el.
S
u
pply f
u
el.
Check the
b
attery.
The engine t
u
rns o
v
er
qu
ickly.
The engine t
u
rns o
v
er
slowly.
The engine does not
start.
Check the
b
attery.
The engine does not
start.
Check the ignition.
W
ipe off with a dry
cloth and correct the
spark pl
u
g gap, or
replace the spark
pl
u
g.
Check the
b
attery
lead connections,
and ha
v
e a Yamaha
dealer charge the
b
attery if necessary.
2. Battery
The
b
attery is good.
3. Ignition
W
et
Dry
There is compression.
There is no
compression.
The engine does not start.
Ha
v
e a Yamaha dealer check the
v
ehicle.
Ha
v
e a Yamaha dealer check the
v
ehicle.
The engine does not
start.
Check the
compression.
Ha
v
e a Yamaha
dealer check the
v
ehicle.
Open the throttle
halfway and operate
the electric starter.
Remo
v
e the spark
pl
u
g and check
the electrodes.
Operate the electric
starter.
Check the f
u
el le
v
el
in the f
u
el tank.
Operate the electric
starter.
4. Compression
U2CJ86E0.book Page 34 Tuesday, June 26, 2018 10:28 AM
