Troubleshooting - Yamaha YFM660RN Service Manual

EB805010

TROUBLESHOOTING

IF THE HEADLIGHT AND/OR TAIL/BRAKE LIGHT FAIL TO COME ON:
Procedure
Check:
1.Fuse
2.Battery
3.Main switch
OTE:
Remove the following part(s) before trouble-
shooting:
1)Seat
2)Front fender
Use the following special tool(s) for trouble-
shooting.
EB802011
1.Fuse
Refer to "CHECKING THE SWITCH".
EB802012
2.Battery
Check the battery condition.
Refer to "CHECKING THE BATTERY" in
CHAPTER 3.
Open-circuit voltage:
12.8 V or more at 20 °C (68 °F)
*
CONTINUITY
CORRECT
8 - 23
LIGHTING SYSTEM
4.Lights switch
5.Wiring connections
(the entire lighting system)
Pocket tester:
P/N. YU-03112, 90890-03112
NO CONTINUITY
Replace the fuse.
INCORRECT
Clean the battery terminals.
Recharge or replace the battery.
– +
ELEC