1990 Johnson Evinrude 120 thru 140, 185 thru 225, 300 HP, P/N 507875, Page 66Get this manual

1990 Johnson Evinrude 120 thru 140, 185 thru 225, 300 HP, P/N 507875, Page 66

Maximum Spark Advance Install all spark plugs and connect spark plug leadsRun the engine with the proper test wheelDo not run the engine with propeller or flushing adapter for this adjustment1Connect timing light to No1 cylinder2Start the engine and allow it to reach normal operating temperature lZ.J on flywheel gridThe timing pointer must align with correct
mark on the flywheel gridSee chart belowMaximum Spark Advance 125RW