1991 Johnson/Evinrude EI Outboards 2.3 thru 8 Service Manual, Page 17Get this manual
Gearcase Gear Ratio Lubricant Capacity Shift Rod Height 12:25 (0.48)
OMC Hi-Vis Gearcase Lubricant
2.7 floz(80 ml) None
Ignition System Type Magneto Powered Capacitor Discharge
Spark Plug, Champion
Recommended
OL77JC4 0.030 in(0,8 mm)
Alternate
L77JC4 0.030 in(0,8 mm)
Sustained High Speed
0L16V FIXED GAP