Yamaha XC125 Service Manual page 117

ELECTRIC STARTING SYSTEM I¢_k¢_=1 _ !
Troubleshooting Chart (2)
l HE STARTER MOTOR DOES NOT I
OPERATE.
Check the starter relay and starter motor;
refer to CHART (1).
Disconnect the 4-pin coupler (R/G, R/W, B
and L/W) from the starting circuit cut-off
relay.
Turn the main switch to "ON" and
"ENGINE STOP" switch to "RUN", and
then the sidestand is up.
Check the battery voltage (12V) on the _11 Check for an open or poor connection
"R/W'" lead into the 4-pin coupler, between the battery and starting circuit
cut-off relay.
Connect the 4-pin coupler (N/G, R/W, B
and L/W) to the starting circuit cut-off
relay.
g.
Connect" ",ea intot e - , I.,I , es ar ,n c, c I
to "ground" on the frame; use a jumper click; replace the relay.
lead.
If the starting circuit cut-off relay clicks;
check the "START" switch. Replace
switch if necessary.
6-8