Troubleshooting - Yamaha 2004 YXR660 Service Manual

EB804010

TROUBLESHOOTING

IF THE BATTERY IS NOT CHARGED:
Procedure
Check:
1. Fuse (main)
2. Battery
3. Charging voltage
NOTE:
• Remove the following part(s) before trouble-
shooting:
1) Console
2) Footrest cover
• Use the following special tool(s) for trouble-
shooting.
EB802011
1. Fuse (main)
Refer to "CHECKING THE SWITCH".
EB802012
2. Battery
• Check the battery condition.
Refer to "CHECKING AND CHARGING
THE BATTERY" in chapter 3.
Open-circuit voltage
12.8 V or more at 20 °C (68 °F)
EB804011
3. Charging voltage
• Connect the engine tachometer to the
spark plug lead.
• Connect the pocket tester (DC 20 V) to the
battery.
Tester (+) lead → Battery (+) terminal
Tester (–) lead → Battery (–) terminal
CHARGING SYSTEM
CONTINUITY
CORRECT
9 - 24
4. Charging coil resistance
5. Wiring connections
(the entire charging system)
Digital engine test tachometer
P/N. YU-8036-C
Engine tachometer
P/N. 90890-03113
Pocket tester
P/N. YU-03112-C, 90890-03112
NO CONTINUITY
Replace the fuse.
INCORRECT
• Clean the battery terminals.
• Recharge or replace the battery.
– +
ELEC