1988 Johnson Evinrude "CC" 9.9 thru 30 Service Manual, P/N 507660, Page 156Get this manual
Service Specifications Special Torque Chart Description Connecting Cap Screws Lower Crankcase Head Screws 9.9 thru 15 60-70 in Ibs.CD (7 -7,5 Nm) 60-84 in Ibs(7 -9 Nm) 20 thru 30 30-32 ft Ibs.CD (40-43 Nm) 60-84 inIbs(7-9 Nm) 216-240 inIbs(25-27 Nm) 192-216 inIbs(22-24 Nm)
Cylinder Head Screws 216-240 in Ibs(25-27 Nm) Powerhead Retaining Screws Crankcase to Cylinder Block Screws Inner Exhaust Tube Screws Cylinder Head Cover Screws 60-84 in Ibs(7-9 Nm) 144- 168 in (16-19N m) 60-84 in Ibs(7-9 Nm) 60-84 in Ibs(7-9 Nm)
96-120 in Ibs(11-14Nm) 60-84 inIbs(7 -9 Nm) 48-84 in Ibs(5 -9 Nm) 60-84 in Ibs(7-9 Nm) 60-84 in Ibs(7-9 Nm)