1990 Johnson Evinrude 120 thru 140, 185 thru 225, 300 HP, P/N 507875, Page 137Get this manual

1990 Johnson Evinrude 120 thru 140, 185 thru 225, 300 HP, P/N 507875, Page 137

1 31 STEPSTOP CIRCUIT TEST
Elimination Test
1Separate blackyellow lead 1-pin Amphenol connector between power pack and key switchTo avoid possible shock hazards, do not handle ignition coils or spark tester leads during tests

2Crank the engine and observe results at spark checker If spark now jumps alternately at each gap, the problem is in the stop circuitGo to Ohmmeter TestKey Switch If no spark is present, go to STEPCHARGE COil TEST If some spark is present, go to STEPSENSOR COil TEST