Troubleshooting - Yamaha YFM660FP Service Manual

EB805010

TROUBLESHOOTING

IF THE HEADLIGHT AND/OR TAILLIGHT FAIL TO COME ON:
Procedure
Check:
1.Fuse (main, headlight)
2.Battery
3.Main switch
NOTE:
Remove the following part(s) before trouble-
●
shooting:
1)Seat
2)Front carrier
3)Front fender panel
Use the following special tool(s) for trouble-
●
shooting.
EB802011
1.Fuse (main, headlight)
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
9 - 28
LIGHTING SYSTEM
4.Light 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.
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– +
ELEC