user manual

7-23
CHARGING SYSTEM
ELEC
NOTE:
YES
NO
Replace the fuse.
1. Main fuse
S Check the main fuse for continuity.
Refer to “CHECKING THE FUSES” in chap-
ter 3.
S Is the main fuse OK?
2. Battery
S Check the condition of the battery.
Refer to “CHECKING AND CHARGING THE
BATTERY” in chapter 3.
Open-circuit voltage
12.8 V or more at 20_C
S Is the battery OK?
YES
S Clean the battery
terminals.
S Recharge or
replace the battery.
NO
EAS00775
3. Charging voltage
S Connect the engine tachometer to the spark
plug lead of cylinder #1.
S Connect the pocket tester (DC 20 V) to the
battery as shown.
Charging voltage
14 V at 5,000 r/min
Tester positive probe 
battery positive terminal
Tester negative probe 
battery negative terminal
S Start the engine and let it run at approximate-
ly 5,000 r/min.
S Measure the charging voltage.
EAS00774
TROUBLESHOOTING
The battery is not being charged.
Check:
1. main fuse
2. battery
3. charging voltage
4. startor coil assembly resistance
5. brush check
6. field coil resistance
7. main switch
8. wiring
(of the entire charging system)
S Before troubleshooting, remove the following
part(-s):
1) seat
2) fuel tank
3) headlight unit
S Troubleshoot with the following special
tool(-s).
Engine tachometer
90890-03113
Pocket tester
90890-03112
EAS00738
EAS00739