SG250 Ownerās and Service Manual
www.CSCMotorcycles.com
106
Cannot start or operate
motorcycle.
Check charging system
output to isolate defective
component, replace
defective component
Cracked battery
case, battery
overfilled,
overcharging
Check battery case for
cracking; replace if
necessary, check battery
acid level, reduce if
necessary; check regulator
output, replace regulator if
output too high
Check power to starter; if
power present and starter
does not crank, replace
starter motor
Open circuit to
starter motor
Check starter circuit as
outlined above, isolate and
correct open circuit
Starter gear
train failure
Starter cranks but spins
freely
Check starter motor output
gear, check starter motor
gear train as outlined
above, isolate and replace
defective component
Open circuit,
no power, or
defective
bulb/LED
Check bulb/LED, replace if
necessary; if bulb/LED is
not defective, check circuit
and all switches in circuit,
isolate and replace
defective component
Check battery and charging
circuit as outlined above
Excessive
charging
system output,
excessive
shock, age
Replace bulb/LED; if
failures persist, check
charging circuit output
Defective horn,
no power to
horn
Check horn with alternative
12V power source; replace
if necessary, check circuit
for presence of power, if
power not present, isolate
and correct defective
component