Suzuki GN125F, Service Manual

Page: 120 / 148

E L E C T R I C A L
6-9
GENERATOR NO-LOAD PERFORMANCE INSPECTION
Disconnect the generator coupler. (Refer to page 6-4)
Start engine and keep it running at 5,000 rpm.
Measure voltage between generator terminal and ground by
using the pocket tester. If the reading is below standard values,
replace with a new generator coil.(Refer to page 3-35)
09900-25008: Pocket tester
Generator no-load performance:
75.5-80V/5000 r/min
(When engine is cold)
Tester knob indication: Voltage
It is not necessary to remove the engine from the
chassis during the removal the generator coil.
Regulator/rectifier inspection
If the resistance checked is incorrect, replace the
regulator/rectifier.
Battery
(DC)
Pocket tester
CHARGING OUTPUT INSPECTION
Remove the left side cover
Start the engine, keep it running at 5 000 r/min, with lighting
switch turned ON and dimmer switch turned HI position.
Measure the DC voltage between the battery terminal and with a
pocket tester. If the tester reads under the specified value,
inspect the generator coil and regulator/rectifier.
.
09900-25008: Pocket tester
Charging output
Standard: 14.6-15.4V at 5 000 r/min
Tester knob indication: Voltage
When making this test, be sure that the battery is fully-
charged condition.
CAUTION
CAUTION