1990 Johnson Evinrude "ES" 60 thru 70 Service Manual, P/N 507873, Page 47Get this manual
Maximum Spark Advance
INotel Run the engine with the proper test wheelDo not run the
1Connect timing light to the No1 cylinder
engine with propeller or flushing adapter for the adjustment
2Start and run the engine to minimum of 5000 RPM in FORWARD gear3The engine timing pointer must align with correct degree mark on the flywheel grid
Maximum Spark Advance All Models