ELECTRICAL COMPONENTS
8-70
b. Measure the stator coil resistance.
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EAS28170
CHECKING THE RECTIFIER/REGULATOR
1. Check:
• Charging voltage
Out of specification → Replace the rectifi-
er/regulator.
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a. Connect the engine tachometer to the spark
plug lead.
b. Connect the pocket tester (DC 20 V) to the
rectifier/regulator coupler as shown.
c. Start the engine and let it run at approximate-
ly 5000 r/min.
d. Measure the charging voltage.
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EAS28230
CHECKING THE FUEL SENDER
1. Disconnect:
• Fuel pump coupler
(from the wire harness)
2. Drain
• Fuel
(from the fuel tank)
3. Remove:
• Fuel pump assembly
(from the fuel tank)
4. Check:
• Fuel sender current
Out of specification → Replace the fuel pump
assembly.
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a. Connect the pocket tester (DC 5A) and bat-
tery to the fuel sender terminal as shown.
Charging voltage
above 14 V at 5000 r/min
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe
red “1”
• Negative tester probe
black “2”
BR
WW
W
2
1
Fuel sender current
Level is less than “a”
Less than 60 mA
Level is more than “a”
More than 135 mA
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe
Positive battery terminal
• Negative tester probe
orange/green “1”
• Negative battery terminal
black/white “2”
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