Yamaha YFM90RA Model Vehicle User Manual


 
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ELEC
CHARGING SYSTEM
EBS01065
TROUBLESHOOTING
Check:
1. main fuse
2. battery
3. charging voltage
4. charging coil resistance
5. wiring connections
(of the entire charging system)
TIP
_
Before troubleshooting, remove the following
part(s):
1. seat
2. rear fender
Troubleshoot with the following special
tool(s).
EBS01043
YES
NO
EBS01044
YES
NO
The battery is not being charged.
Inductive self-powered tachome-
ter
P/N. YU-8036-B
Engine tachometer
P/N. 90890-03113
Pocket tester
P/N. YU-03112-C, 90890-03112
1. Main fuse
Check the main fuse for continuity.
Refer to “CHECKING THE FUSE” in chap-
ter 3.
Is the main fuse OK?
Replace the fuse.
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?
Clean the battery
terminals.
Recharge or
replace the battery.