1980 Johnson 4HP Service Repair Manual P/N JM-8004, Page 36Get this manual

1980 Johnson 4HP Service Repair Manual P/N JM-8004, Page 36

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prevent possibIe arcinghigh voltage, position the tester leadsleast inches(50( metal sur{ace

Figure 4-13 Spark Test

If spark jumps at both gaps, alternately th ignition syste