Checking The Horn; Checking The Engine Oil Level Switch - Yamaha FZ8NA Service Manual
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Also See for FZ8NA:
- Owner's manual (108 pages) ,
- Owner's manual (108 pages) ,
- Owner's manual (108 pages)
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2. Check:
• Rectifier/regulator output voltage
Out of specification → Replace the recti-
fier/regulator.
Rectifier/regulator output volt-
age
14.2–14.8 V
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a. Set the engine tachometer to the ignition
coil of cylinder #1.
b. Connect the pocket tester (AC 20 V) to the
rectifier/regulator coupler as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe
Red "1"
• Negative tester probe
Black "2"
c. Start the engine and let it run at approxi-
mately 5000 r/min.
d. Measure the rectifier/regulator output volt-
age.
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EAS28180
CHECKING THE HORN
1. Check:
• Horn resistance
Out of specification → Replace.
Horn resistance
1.066–1.114 Ω at 20 °C (68 °F)
ELECTRICAL COMPONENTS
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a. Disconnect the horn leads from the horn
terminals.
b. Connect the digital circuit tester to the horn
terminals.
Digital circuit tester
90890-03174
Model 88 Multimeter with
tachometer
YU-A1927
• Positive tester probe
Horn terminal "1"
• Negative tester probe
Horn terminal "2"
c. Measure the horn resistance.
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2. Check:
• Horn sound
Faulty sound → Replace.
EAS28190
CHECKING THE ENGINE OIL LEVEL
SWITCH
1. Drain:
• Engine oil
2. Remove:
• Oil level switch
(from the oil pan)
3. Check:
• Oil level switch resistance
Oil level switch resistance
Maximum level position resis-
tance
484–536 Ω
Minimum level position resis-
tance
114–126 Ω
8-196
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