Yamaha YBR125 Custom, Service Manual, Page: 212 / 218

Signal system
ELEC
5.Turn indicator
Connect min. Multitester(DC20V) to socket
connector
Connection at the left blinker
Negative guide wire of multitester → Frame groun
Positive guide wire of multitester
→
Brown guide wire
Connection at the right blinker
Positive guide wire of multitive → Dark green guide
wire
Negative guide wire
→ Frame ground wire
Turn main switch to "ON".
Turn "turn signal" switch to left " "
12V.
or " "right position
Check if the voltage of brown guide wire of dark
geeen guide wire at socket connector gets to
Meet normal value
Layout of signal loop is normal
Out of normal value
6.Circuit joint
Check if there is break at connection part of loop
of signal system.
Refer to connection diagram of loop of signal system.
4.Neutral indicator no work
1.Bulb and socket
Check if the bulb and the socket are conducted.
Conduction
2.Neutral switch
Remove guide wire of neutral switch from bundle
condctor.
Check if the switch between the sky blue and the
ground wire is conducted.
No conduction
Replace the bulb or socket
The neutral switch is failure,replace it.
Abnormal
Normal
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