Beamer Rev-2.0.2 Page 48 of 55 11/21/2005
11. ELECTRICAL SYSTEM
11.1 TROUBLESHOOTING
ENGINE STARTS BUT STOPS
• IMPROPER IGNITION TIMING
• FAULTY SPARK PLUG
NO SPARK AT PLUG
• ENGINE STOP SWITCH AT “ OFF “
• FAULTY IGNITION COIL
• FAULTY GENERATOR
• FAULTY CDI UNIT
• POOLY CONNECTED:
o Between CDI and ignition coil
o Between alternator and CDI unit
o Between CDI and engine stop switch
o Between ignition coil and spark plug
o Between generator and CDI unit
ENGINE STARTS BUT RUNS POORLY
• IGNITION PRIMARY CIRCUIT
o Faulty generator
o Faulty CDI unit
o Faulty alternator exciter coil
o Loosen contacted terminals
o Faulty ignition coil
• IGNITION SECONDARY CIRCUIT
o Faulty plug
o Loosen contacted spark plug wire
• IMPROPER IGNITION TIMING
o Faulty generator
o Faulty CDI unit
CHARGING SYSTEM FAILURE
• LOOSE, BROKEN OR SHORTED WIRE
• FAULTY ALTERNATOR
• FAULTY IGNITION SWITCH
• LOOSE BATTERY CONNECTION
ENGINE INTERMITTENT POWER
• LOOSE CHARGING SYSTEM CONNECTION
STARTER MOTOR WILL NOT TURN
• DEAD BATTERY
• FAULTY IGNITION SWITCH
• LOOSE OR DISCONNECTED WIRE
STARTER MOTOR AND ENGINE TURN,
BUT ENGINE DOES NOT START
• FAULTY IGNITION SYSTEM
• ENGINE PROBLEMS
• FAULTY ENGINE STOP SWITCH
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