Troubleshooting - Yamaha YFM7FGPW Service Manual

EBS01065

TROUBLESHOOTING

The battery is not being charged.
Check:
1. main fuse
2. battery
3. charging voltage
4. stator coil resistance
5. wiring connections
(of the entire charging system)
NOTE:
_
• Before troubleshooting, remove the following
part(s):
1. seat
2. battery cover
3. right side cover
4. V-belt cooling duct 2
• Troubleshoot with the following special
tool(s).
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
EBS01043
1. Main fuse
• Check the main fuse for continuity.
Refer to "CHECKING THE FUSES" in
chapter 3.
• Is the main fuse OK?
YES
NO
Replace the main
fuse.
9 - 28
CHARGING SYSTEM
EBS01044
2. Battery
• Check the condition of the battery.
Refer to "CHECKING AND CHARGING
THE BATTERY" in chapter 3.
Minimum open-circuit voltage
12.8 V or more at 20 °C (68 °F)
• Is the battery OK?
YES
– +
ELEC
NO
• Clean the battery
terminals.
• Recharge or re-
place the battery.