Yamaha 2012 Grizzly 300 Service Manual page 280

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. engine stop switch
9. wiring connections
(of the entire starting system)
TIP
• Before troubleshooting, remove the following
part(s):
1. seat
2. front fender panel
3. fuel tank cover
4. side 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 SWITCHES".
• Is the mainfuse OK?
YES
ELECTRIC STARTING SYSTEM
NO
Replace the fuse.
9-13
EBS01044
2. Battery
• Check the condition of the battery.
Refer to "CHECKING AND CHARGING
THE BATTERY" in chapter 3.
Minimum open-circuit voltage
12.0 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
W/B
M
Y/R
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.