Electric Starting System - Yamaha FZ6-ST Supplementary Service Manual

EAS00757
TROUBLESHOOTING
The starter motor fails to turn.
Check:
1. main and ignition fuses
2. battery
3. starter motor
4. starting circuit cut-off relay
5. starter relay
6. main switch
7. engine stop switch
8. neutral switch
9. sidestand switch
10. clutch switch
11. start switch
12. wiring connections
(of the entire starting system)
NOTE:
S Before troubleshooting, remove the following
part(s):
1. seat
2. front cowling inner panel (left and right)
3. fuel tank
4. left side cover
S Troubleshoot with the following special tool(s).
Pocket tester
90890-03112, YU-3112
EAS00738
1. Main and ignition fuses
S Check the main and ignition fuses for conti-
nuity.
Refer to "CHECKING THE FUSES" in chap-
ter 3.
S Are the main and ignition fuses OK?
YES

ELECTRIC STARTING SYSTEM

NO
Replace the fuse(s).
8-16
EAS00739
2. Battery
S 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)
S Is the battery OK?
YES
EAS00758
3. Starter motor
S Connect the positive battery terminal
2
starter motor lead
WARNING
S A wire that is used as a jumper lead
must have at least the same capacity or
more as that of the battery lead, other-
wise the jumper lead may burn.
S This check is likely to produce sparks,
therefore make sure nothing flammable
is in the vicinity.
S Does the starter motor turn?
YES
ELEC
NO
S Clean the battery
terminals.
S Recharge or re-
place the battery.
and
1
3
with a jumper lead .
NO
Repair or replace the
starter motor.