1989 Johnson/Evinrude "CE" 60 Thru 70 Models Service Repair Manual P/N 507756, Page 119Get this manual
Quality of the image is intentionally reduced!
IGNITION OUTPUT TESTS ill plugs installed and torqued in the cylinder headIf neces I:
leads at least in(51 mm) from metal surface
prevent possibIe arcing of high voltage, route test