1990 Johnson Evinrude "ES" 40 thru 55, P/N 507872, Page 15Get this manual
Gearcase Gear Ratio Lubricant Capacity Shift Rod Height, R, E, TE Models Shift Rod Height, RL, EL, TL, TEL Models Shift Cable Stroke Type Ignition Module Ignition Module RPM Limit Ignition Coil
12:29 (0.414)
GMC Hi- Vis Gearcase Lubricant
16.4 floz(485 I) 16151S in(430,3O,8 mm) 32 21 151S in(557,3O,8 mm) See Page 6-3
Ignition System Magneto Powered Capacitor Discharge OMC PIN 583984 6100 RPM OMC PI 583740 Spark Plug, ChampionModel Recommended QL78C 0.030 in(0,8 mm) Alternate Sustained High Speed QL16V FIXED GAP Alternate
25D, 40, 48, 50 Electrical System