Yamaha XT660R(S) Automobile User Manual


 
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ELEC
ELECTRIC STARTING SYSTEM
EAS00757
TROUBLESHOOTING
Check:
1. main and ignition fuses
2. battery
3. starter motor
4. relay unit (starting circuit cut-off relay)
5. relay unit (diode)
6. starter relay
7. main switch
8. engine stop switch
9. neutral switch
10.sidestand switch
11.clutch switch
12.start switch
13.wiring connections
(of the entire starting system)
NOTE:
_
Before troubleshooting, remove the following
part(s):
1. seat
2. battery cover
3. side panels (left and right)
4. fuel tank side covers (left and right)
5. fuel tank
Troubleshoot with the following special
tool(s).
EAS00738
YES
NO
EAS00739
YES
NO
EAS00758
YES
NO
The starter motor fails to turn.
Pocket tester
90890-03112
1. Main and ignition fuses
Check the main and ignition fuses for con-
tinuity.
Refer to CHECKING THE FUSES in
chapter 3.
Are the main and ignition fuses OK?
Replace the fuse(s).
2. Battery
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)
Is the battery OK?
Clean the battery
terminals.
Recharge or
replace the battery.
3. Starter motor
Connect the positive battery terminal
1
and starter motor lead
2
with a jumper
lead
3
.
WARNING
_
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.
This check is likely to produce sparks,
therefore make sure nothing flammable
is in the vicinity.
Does the starter motor turn?
Repair or replace the
starter motor.