1995 Johnson Evinrude "EO" 9.9 thru 30, 2-Cylinder Service Manual, P/N 503146, Page 121Get this manual
Indexing Flywheel, Erratic Ignition Internal ignition module 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 both spark plugs
2Place the eraser end of pencil in holeSlowly turn the flywheel by hand greatest length of the pencil is outside the indicates the No.1 piston is near top dead
the No.1 spark plug clockwise, until the spark plug holeThis center
3Mark on the flywheel rim, directly across from the timing pointer or starter pivot screwLabel this mark "No.1"