1991 Johnson/Evinrude EI 60 thru 70 outboards Service Manual, Page 55Get this manual
Maximum Spark Advance Adjustment Run the engine with the proper test wheelDo not run the engine with propeller or flushing adapter for the adjustment1Connect timing light to the No.1 cylinder spark plug lead2Start the engine and allow it to reach normal operating temperature 3Run the engine to minimum of 5000 RPM in FORWARD gear with timer base fully advancedThe engine timing mark must align with the correct degree mark on the flywheel gridSee chart below
Maximum Spark Advance 65RS
PCE0026
Lll partsRemove the spark advance rod Bend rod ends
4Stop the engine to prevent contact with rotating