1990 Johnson Evinrude "ES" 40 thru 55, P/N 507872, Page 130Get this manual
Service Specifications
Special Torque Chart
Description Flywheel Nut Cylinder Head Screws Connecting Rod ScrewsMain Bearing Screws Spark Plug Crankcase Head Screws Powerhead Mounting Screws Exhaust Cover Screws Intake Manifold Screws Idle Stop Bumper Screw Pipe PlugExhaust Cover
FtLbs100-105 18-20 30-32 18-20 18-20
108-115 25-27 40-43 25-27 25-27 7-9 25-27 5-9 7-9 9,5-13,5 7-9