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'96 Yamaha 200

Swap the coils around and see if the no spark follows the coils. Could be bad coil or bad sparkplug wire. The sparkplug wires will get a corrosion buildup on the ends that can kill the spark. You have to unscrew the plug wires from the coils for inspection.


-Mike
 
Open circut on yellow wire to ecm. Usual corossion area under stb. head near tell tale outlet in harness. Remember you need amp's to the ecm not just a few volts. Salt is conductive. Thanks Martin
 
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