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TROUBLESHOOTING AND PROCEDURES________
IMPORTANT NOTE: before attempting any troubleshooting or repairs, please ensure that
scooter is placed on the main stand.
COMMON ISSUES
The following compilation describes the most common symptoms and potential solutions in
the form of a flow chart. Further testing is not needed once the problem has been solved.
ELECTRIC STARTER DOESN’T ENGAGE OR ROTATE
Verify proper state of battery charge.
Ensure properly functioning fusible link.
Ensure proper operation of starter relay.
Inspect cable connections to starter solenoid and starter.
ONLY CLICKING NOISE WHEN STARTER BUTTON IS PRESSED
Bypass starter solenoid to ensure proper starter motor operation.
Check solenoid and wire connections.
Ensure proper operation of starter relay.
NO REACTION WHATSOEVER WHEN STARTER BUTTON IS PRESSED
Ensure continuity at input and output sides of starter button.
Bypass starter solenoid to ensure proper starter motor operation.
Ensure proper operation of starter relay.
HARD-START, POOR IDLE, OR POOR PERFORMANCE AT SPEED
If vehicle is slow to start, idles poorly or immediately sputters and dies, or if main circuit
performance is lacking, first verify that there is no restriction or blockage of airflow. If
condition continues, ensure that carburetor is properly tuned (see TECHNICAL GUIDE
FOR 50cc CARBURETORS for procedure and specifications). Inspect carburetor for
external leaks or blockage, and perform INTAKE LEAK TEST (refer to guide for proper
procedure).
