HYOSUNG RX 125 Service Manual page 102

5-7 ELECTRICAL SYSTEM
INSPECTION
CHARGING OUTPUT CHECK
Start the engine and keep it running at 5,000 rpm.
Using the pocket tester, measure the DC voltage
between the battery terminal � and �.
If the tester reads under 13.5 V or over 16.0 V,
check the AC generator no-load performance and
regulator / rectifier.
CAUTION
When making this test, be sure that the battery
is full-charged condition.
Pocket tester : 09900-25002
Standard charge
AC GENERATOR NO-LOAD
PERFORMANCE
Disconnect the three lead wires from the AC gen-
erator terminal.
Start the engine and keep it running at 5,000 rpm.
Using the pocket tester, measure the AC voltage
between the three lead wires.
If the tester reads under 70 V the AC generator is faulty.
Standard NO-load perfor-
mance of AC generator
13.5~16.0 V at 5,000 rpm
72~99 V
at 5,000 rpm
Regulator
Rectifier
Battery
IG. switch
DCV