Yamaha YZFR1W 2007 Service Manual page 414

Oil level switch
Maximum level position resis-
tance
484–536 Ω at 20°C (68°F)
Minimum level position resis-
tance
114–126 Ω at 20°C (68°F)
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a. Connect the pocket tester (Ω × 100) to the
oil level switch terminal as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
Maximum level position "A"
• Positive tester probe
Connector (white) "1"
• Negative tester probe
Body earth "2"
Minimum level position "B"
• Positive tester probe
Connector (white) "1"
• Negative tester probe
Body earth "2"
b. Measure the pickup coil resistance.
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EAS28230
CHECKING THE FUEL SENDER
1. Disconnect:
• Fuel pump coupler
• Fuel sender coupler
(from the wire harness)
2. Remove:
• Fuel tank
3. Remove:
• Fuel pump
(from the fuel tank)
ELECTRICAL COMPONENTS
4. Check:
• Fuel sender resistance
Fuel sender resistance
19–141Ω at 20°C (68°F)
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a. Connect the pocket tester (Ω × 1) to the
fuel sender terminal as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe
Green/white "1"
• Negative tester probe
Black "2"
b. Measure the fuel sender resistance.
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EAS28240
CHECKING THE SPEED SENSOR
1. Check:
• Speed sensor output voltage
Out of specification → Replace.
Output voltage reading cycle
0.6 V to 4.8 V to 0.6 V to 4.8 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/Yellow "1"
• Negative tester probe
Black/Blue "2"
8-95