Yamaha SR250G Service Manual page 73

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CAUTION:
— —
Nover disconnect wires from the battery
while the generator is in operation If
the battery is disconnected, the voltage
across the generator terminals will in
crease, damaging the semiconductors.
2, Resistance te
Chuck the res
minals. If
tion, ence!
coil connections are good. then ihe coil
is broken inside and it should be
r e -
Charging
coil
resistance
WHIT!
HITE
0.390 + 15%
at 20°C (68°F!
L.C, Voltage Regulator with Rectifier
1. Inspection
Since
1.C. regulator is sealed with a
r e s i n ,
i t i s
iimpassible to check
or replace
any of inner parts
I f the regulator is
'ound to be defective. it must be replace
with a new one,
2. Checking method
' 8 . Measure the specific cravity of the bat
tory fluid, If it is loss than 1.260, remov
the battery and recharge until it is mo
than 1260. (See page 6-7 for charging
procedures)
b. Connect D.C, voltmeter to the battery
terminals.
engine
olerate
d. Ac
2,000
guilated voltage.
approximately
anging
min. cr more and check re-

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