Yamaha XVS250 2001, Service Manual

Page: 292 / 332

7-15
ELECTRIC STARTING SYSTEM
ELEC
2. Battery
D
Check the condition of the battery.
Refer to “CHECKING AND CHARGING
THE BATTERY” in chapter 3.
Open-circuit voltage
12.8 V or more at 20
_
C
D
Is the battery OK?
YES
D
Clean the battery
terminals.
D
Recharge or re-
place the battery.
NO
3. Starter motor
D
Connect the battery positive terminal
and starter motor lead
with a jumper lead
.
YES
Repair or replace the
starter motor.
NO
EAS00758
1
3
2
D
A wire that is used as a jumper lead
must have at least the same capacity of
the battery lead, otherwise the jumper
lead may burn.
D
This check is likely to produce sparks,
therefore make sure that no flammable
gas or fluid is in the vicinity.
D
Does the starter motor turn?
WARNING
NOTE:
YES NO
Replace the fuse(-s).
1. Main and ignition fuses
D
Check the main and ignition fuses for conti-
nuity.
Refer to “CHECKING THE FUSES” in chap-
ter 3.
D
Are the main and ignition fuses OK?
EAS00757 EAS00739
TROUBLESHOOTING
The starter motor fails to turn.
Check:
1. main and ignition fuses
2. battery
3. starter motor
4. relay unit (starting circuit cutoff 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
(of the entire starting system)
D
Before troubleshooting, remove the following
part(-s):
1) battery cover
2) rider’s seat
3) fuel tank
4) steering head side covers
5) left side cover
D
Troubleshoot with the following special
tool(-s).
Pocket tester
90890-03112
EAS00738