1991-1993 Yamaha Exciter II-570 Service Manual, Page 178Get this manual

1991-1993 Yamaha Exciter II-570 Service Manual, Page 178

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IGNITION SYSTEM 3 Measure: Spark plug cap resistance Spark plug cap resistance: 5k.o10 at 20 (G8F) OUT OF SPECIFICATION
Replace the source coil andor pickup coil
Replace the ignition coil<