1989 Johnson Evinrude "CE" 120/125/140/185/200/225/300 HP Service/Repair Manual P/N 507758, Page 173Get this manual
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Output ests-12'5 RW T
To prevent possible arcing of high voltage, route tester leads at least in(51 mm) from any metal surface'" To avoid possible shock hazard, do not handle ignition coils