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SERVICE MANUAL
Check and Adjustment: Remove spark plug, install spark plug into spark plug cap and perform
spark test against engine ground
Fault Condition: Poor spark
Probable Causes: • Spark plug fouled
• Malfunction of CDI
• Malfunction of AC generator
• Malfunction of ignition coil
• Open or short circuit in spark plug leads
• Malfunction of main switch
D. Engine runs Sluggish at high speeds
Check and Adjustment: Check ignition timing.
Fault Condition: Abnormal
Probable Causes: • Malfunction of CDI
• Malfunction of AC alternator
Check and Adjustment: Check fuel supplying system in fuel bowl
Fault Condition: Abnormal
Probable Causes: • Insufficient fuel in fuel tank
• Fuel filter clogged
• Restricted fuel tank vent
Check and Adjustment:
Check if carburetor is clogged
Fault Condition: Clogged
Probable Causes: • Clean Carburetor
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