Checking The Rectifier/Regulator; Checking The Horn; Checking The Engine Oil Level Switch - Yamaha FZ6RC Service Manual

2 3
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1
b. Measure the stator coil resistance.
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EAS28170

CHECKING THE RECTIFIER/REGULATOR

1. Check:
Rectifier/regulator output voltage
G
Out of specification → Replace the rectifier/
regulator.
Rectifier/regulator output voltage
14 V at 5000 r/min
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a. Set the engine tachometer to the spark plug
lead of cylinder #1.
b. Connect the digital circuit tester (AC 20 V) to
the rectifier/regulator coupler as shown.
Digital circuit tester
90890-03174
Model 88 Multimeter with tachom-
eter
YU-A1927
Positive tester probe →
G
Red "1"
Negative tester probe →
G
Black "2"
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R
1
c. Start the engine and let it run at approximate-
ly 5000 r/min.
B
2
8-89
ELECTRICAL COMPONENTS
d. Measure the rectifier/regulator output volt-
age.
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EAS28180

CHECKING THE HORN

1. Check:
Horn resistance
G
Out of specification → Replace.
Coil resistance
1.07–1.11 Ω Ω Ω Ω
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a. Disconnect the horn leads from the horn ter-
minals.
b. Connect the digital circuit tester (Ω × 1) to the
horn terminals.
Digital circuit tester
90890-03174
Model 88 Multimeter with tachom-
eter
YU-A1927
Positive tester probe →
G
horn terminal "1"
Negative tester probe →
G
horn terminal "2"
c. Measure the horn resistance.
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2. Check:
Horn sound
G
Faulty sound → Replace.
EAS28190
CHECKING THE ENGINE OIL LEVEL
SWITCH
1. Drain:
Engine oil
G
2. Remove:
1
2