1990 Johnson Evinrude "ES" Colt/Junior thru 8 Service Repair Manual, P/N 507870, Page 132Get this manual
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Service Specifications Special Torque Chart
Cylinder Head Screws 60-84 in Ibs(7-9 Nm) Powerhead Retaining Screws Main Bearing Screws Inner Exhaust Tube Screws Cylinder Head Cover Screws 6