1994 Johnson/Evinrude "ER" 9.9 thru 30 outboards Service Manual, Page 129Get 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 revolution 1Disconnect the spark plug leads and remove both spark plugsr:;l 2Place the eraser end of pencil in the No.1 spark plug holeSlowly turn the flywheel by hand clockwise, until the greatest length of the pencil is outside the spark plug hole This indicates the No.1 piston is near top dead center
f21 3Mark on the flywheel rim, directly across from the timing t=J pointer or starter pivot screwLabel this mark "No1"