1988 Johnson Evinrude CC 60 thru 75 outboards Service Manual, Page 135Get this manual
Indexing Flywheel, Erratic Ignition Internal power pack problems could cause power pack to fire erratically or continuouslyTo troubleshoot this situation, you must determine that each cylinder is firing at the correct time and no more than once per revolution
1Disconnect the high tension leads and remove all spark plugs
2Place the eraser end of pencil in the No2 spark plug hole and slowly turn the flywheel by hand in clockwise direction until the greatest length of the pencil is outside the spark plug holeThis indicates the No.2 piston is near TDC
1 3Make mark on the flywheel rim directly across from the 241