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Yamaha CS50 User Manual

Yamaha CS50
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ELEC
ELECTRIC STARTING SYSTEM
8-14
EAS00757
TROUBLESHOOTING
Check:
1. main fuse
2. battery
3. starter motor
4. starter relay
5. main switch
6. start switch
7. wiring connections
(of the entire starting system)
NOTE:
Before troubleshooting, remove the follo-
wing part(s):
1. Front upper cowling
2. Center cover
3. Footrest board
4. Handlebar cover (upper)
Troubleshoot with the following special
tool(s).
EAS00738
1. Main fuse
Check the fuse for continuity.
Refer to “CHECKING THE FUSES” in chap-
ter 3.
Is the fuse OK?
EAS00739
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
Is the battery OK?
EAS00758
3. Starter motor
Connect the positive battery terminal
and starter motor lead with a jumper
lead .
ss
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, otherwise 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?
Pocket tester
90890-03112
Replace the fuse.
Recharge or
replace the
battery.
Repair or replace
the starter motor.
The starter motor fails to turn.
YES
NO
YES
NO
YES
NO

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Yamaha CS50 Specifications

General IconGeneral
Fuel Capacity4.5 liters
Fuel SystemCarburetor
CoolingAir-cooled
TransmissionAutomatic
Starting SystemKick start
BrakesDrum brakes (front and rear)

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