1990 Johnson Evinrude "ES" 60 thru 70 Service Manual, P/N 507873, Page 113Get this manual
Indexing Flywheel, Erratic Ignition Internal power pack problems could cause module 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 revolution1Disconnect the spark plug leads and remove all spark plugs
rv andPlace theturn theend of pencil in the No.2 spark plug hole 2eraser slowly 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
3Make mark on the flywheel rim directly across from the timing pointerLabel this mark "No.2