1975 Johnson 4HP 4R75, 4W75 Outboards Service Repair Manual P/N JM-7503, Page 32Get this manual

1975 Johnson 4HP 4R75, 4W75 Outboards Service Repair Manual P/N JM-7503, Page 32

Quality of the image is intentionally reduced!

spark plug lead being testedProbe the entire surface of the lead insula tion with the grounded test probe See Figure 4-13 Flashover will be apparent wherever the insulation has broken down, due to moi

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