1998 Johnson Evinrude "EC" 90, 100C, 105C, 115, 150, 150C, 175 60 deg. LV Service Manual, P/N 520210, Page 17Get this manual
Ignition System
Type Firing Order Power Pack RPM Limit
Magneto Powered Capacitor Discharge 1-2-3-4 6400
Spark Plug, Champion Models Recommended Extended Idle
OL78YC 0.030 in(0,8 mm)
Electrical System
AC Model Battery, Minimum Recommendation Alternator Tachometer Setting Engine Fuse (20 Amp) Warning Signals