Yamaha YXR70FX, Руководство по обслуживанию

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ELEC
CHARGING SYSTEM
EBS01066
NO
YES
EBS01100
YES
NO
YES NO
3. Charging voltage
• Connect the engine tachometer to the
spark plug lead.
• Connect the pocket tester (DC 20 V) to the
battery as shown.
Positive tester probe
→
positive battery terminal
1
Negative tester probe
→
negative battery terminal
2
• Start the engine and let it run at approxi-
mately 5,000 r/min.
• Measure the charging voltage.
Charging voltage
14 V at 5,000 r/min
TIP:
_
Make sure the battery is fully charged.
• Is the charging voltage within specifica-
tion?
The charging circuit
is OK.
4. Stator coil resistance
• Disconnect the AC magneto couplers from
the wire harness.
• Connect the pocket tester (
Ω ×
1) to the
stator coils.
Positive tester probe
→
white terminal
1
Negative tester probe
→
white terminal
2
Positive tester probe
→
white terminal 1
Negative tester probe
→
white terminal 3
Positive tester probe
→
white terminal
2
Negative tester probe
→
white terminal
3
• Measure the stator coil resistance.
Stator coil resistance
0.099 ~ 0.121
Ω
at 20 °C (68 °F)
Replace the crank-
shaft position sensor/
stator assembly.
5. Wiring
• Check the entire charging system wiring.
Refer to “CIRCUIT DIAGRAM”.
• Is the charging system wiring properly
connected and without defects?
Replace the rectifier/
regulator. Properly connect or
repair the charging
system wiring.
W W W
1 2 3