1998 Johnson Evinrude "EC" 9.9 thru 30 HP 2-Cylinder Outboards Service Manual, Page 134Get this manual
Service Specifications Special Torque Chart
Description
20 thru 30
Connecting Cap Screws Lower Crankcase Head Screws Cylinder Head Screws Powerhead Retaining Screws Main Bearing Screws Inner Exhaust Tube Screws Cylinder Head Cover Screws Exhaust Cover Screws Bypass Cover Screws Intake Manifold Screws and Nuts
60-70 inIbs(7-7,5 Nm) 60-84 inIbs(7-9 Nm)
30-32 ftIbs(40-43 Nm) 60-84 inIbs(7-9 Nm)
216-240 inIbs(25-27 Nm) 60-84 inIbs(7-9 Nm)
216-240 inIbs(25-27 N'm 192-216 inIbs(22-24 Nm)