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4
3
c. Measure the fuel sender resistance.
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4. Install:
• Fuel pump
Refer to "FUEL TANK" on page 7-1.
5. Connect:
• Fuel hose
• Fuel pump coupler
Refer to "GENERAL CHASSIS" on page 4-1.
EAS28240
CHECKING THE SPEED SENSOR
1. Check:
• Speed sensor output voltage
Out of specification → Replace.
Output voltage reading cycle
0 V to 5.0 V to 0 V to 5.0 V
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a. Connect the pocket tester (DC 20 V) to the
speed sensor coupler (wire harness side) as
shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe →
white "1"
• Negative tester probe →
black/blue "2"
b. Set the main switch to "ON".
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8-76
ELECTRICAL COMPONENTS
c. Elevate the front wheel and slowly rotate it.
d. Measure the voltage of white and black/blue.
With each full rotation of the front wheel, the
voltage reading should cycle from 0 V to 5.0
V to 0 V to 5.0 V.
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EAS28250
CHECKING THE RADIATOR FAN MOTOR
1. Check:
• Radiator fan motor
Faulty/rough movement → Replace.
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a. Disconnect the radiator fan motor coupler
from the wire harness.
b. Connect the battery (DC 12 V) as shown.
• Positive tester probe →
blue "1"
• Negative tester probe →
black "2"
c. Measure the radiator fan motor movement.
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EAS28260
CHECKING THE COOLANT TEMPERATURE
SENSOR
1. Remove:
• Coolant temperature sensor
Refer to "THERMOSTAT" on page 6-7.
EWA14130
WARNING
• Handle the coolant temperature sensor
with special care.
• Never subject the coolant temperature sen-
sor to strong shocks. If the coolant temper-
ature sensor is dropped, replace it.
2. Check:
• Coolant temperature sensor resistance
Out of specification → Replace.
Coolant temperature sensor re-
sistance
2.32–2.59 kΩ at 20 °C (68 °F)
310–326 Ω at 80 °C (176 °F)
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Troubleshooting
