Yamaha Raptor 90 YFM90RA 2011 Service Manual page 220

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EBS01050
TROUBLESHOOTING
The starter motor fails to turn.
Check:
1. main fuse
2. battery
3. starter motor
4. starter relay
5. main switch
6. rear brake switch
7. start switch
8. wiring connections
(of the entire starting system)
TIP
• Before troubleshooting, remove the following
part(s):
1. seat
2. front fender
3. rear fender
4. C.D.I. magneto cover
• Troubleshoot with the following special
tool(s).
Pocket tester
P/N. YU-03112-C, 90890-03112
EBS01043
1. Main fuse
• Check the main fuse for continuity.
Refer to "CHECKING THE FUSE" in chap-
ter 3.
• Is the main fuse OK?
YES
ELECTRIC STARTING SYSTEM
NO
Replace the fuse.
7 - 11
EBS01044
2. Battery
• Check the condition of the battery.
Refer to "CHECKING AND CHARGING
THE BATTERY" in chapter 3.
Minimum open-circuit voltage
1.28 V or more at 20 °C (68 °F)
• Is the battery OK?
YES
EBS01051
3. Starter motor
• Connect the positive battery terminal
and starter motor lead
lead
.
3
3
2
L/W
M
G/Y
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?
YES
ELEC
+
NO
• Clean the battery
terminals.
• Recharge or
replace the battery.
1
with a jumper
2
1
NO
Repair or replace the
starter motor.

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