1991-1993 Yamaha Exciter II-570 Service Manual, Page 177Get this manual

1991-1993 Yamaha Exciter II-570 Service Manual, Page 177

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IGNITION SYSTEM TROUBLESHOOTING NO SPARK OR WEAK SPARK

OUT OF SPECIFICATION

Repair or replace the spark plug
1 Remove: Spark plug cap 2 Connect: Pocket tester (to spark