1992 Johnson Evinrude "EN" 40 thru 55 Service Manual, P/N 508143, Page 145Get this manual
Service Specifications Special Torque Chart
Description Flywheel Nut Cylinder Head Screws Connecting Rod Screws Main 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