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6-30
EAU1722A
PERIODIC MAINTENANCE AND ADJUSTMENT
EAU42705
Troubleshooting charts
Starting problems or poor engine performance
Check the f
u
el le
v
el in
the f
u
el tank.
1. Fuel
There is eno
u
gh f
u
el.
There is no f
u
el.
Check the
b
attery.
S
u
pply f
u
el.
The engine does not start.
Check the
b
attery.
Operate the electric starter.
4. Compression
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.
Remo
v
e the spark pl
u
g
and check the electrodes.
3. Ignition
W
ipe off
w
ith a dry cloth and correct the
spark pl
u
g gap, or replace the spark pl
u
g.
Ha
v
e a Yamaha dealer check the
v
ehicle.
The engine does not start.
Check the compression.
Operate the electric starter.
2. Battery
The engine t
u
rns o
v
er
qu
ickly.
The engine t
u
rns o
v
er
slo
w
ly.
The
b
attery is good.
Dry
W
et
Operate the electric starter.
Check the
b
attery lead connections,
and ha
v
e a Yamaha dealer charge
the
b
attery if necessary.
The engine does not start.
Check the ignition.
1CD-F8199-12.indd 6-30
1CD-F8199-12.indd 6-30
2013/06/26 9:55:09
2013/06/26 9:55:09
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