Suzuki RV125, Service Manual

Page: 180 / 251

6-12 ELECTRICAL SYSTEM
TROUBLE SHOOTING
Starter motor will not run.
The transmission is in neutral. Grasp the
clutch lever, turn on the ignition switch
with the engine stop switch in the “RUN”
position and listen for a click from the
starter relay when the starter button is
pushed.
Check if the starter motor runs
when its terminal is connected
to the battery
+
terminal. (Do
not use thin “wire” because a
large amount of current flows.)
Clicks
Runs Does not run
No click
• Faulty starter motor
• Faulty starter relay
• Loose or disconnected
starter motor lead wire
Measure the starter relay voltage at the
starter relay connectors (between Y/G
+
and Y/B
-
) when the starter button is
pushed.
No voltage • Faulty ignition switch
• Faulty engine stop switch
• Faulty clutch lever position
switch
• Faulty neutral switch
• Faulty turn signal/
side-stand relay
Voltage
• Faulty starter button
• Poor contact of connector
• Open circuit in wire harness
Check the starter relay.
(
:
6-15)
Incorrect
• Faulty starter relay
Correct
• Poor contact of the starter
relay
The starter motor runs when the transmission is in neutral with the side-stand up or down, but does not
run when the transmission is in any position other than neutral with the side-stand down.
Check the side-stand switch.
(
:
6-16)
Incorrect • Faulty side-stand switch
Correct
• Open circuit in wire harness
• Poor contact of connector
Others
Engine does not turn though
the starter motor runs. • Faulty starter clutch