1994 Johnson Evinrude "ER" 60 LV 150, 150C, 175 Service Manual, P/N 500611, Page 38Get this manual
Maximum Spark Advance
1Verify that the spark lever screw is still loose2Manually advance the spark cam to wide-open-throttle position using the spark lever1al 3With the OMClgnition Analyzer still connected and the timer base detent screw still loose, rotate the crankshaft in clockwise direction until the timing pointer aligns with maximum spark advance listed in chart
Maximum Spark Advance
All Models
PCE0026
f41 4To adjust maximum spark advance, hold the timing wheel in positionMove the outside detent tab rearward on the detent plate until the analyzer JlCYL light goes offJI