1993 Johnson Evinrude "ET" 9.9 thru 30 Service Manual, P/N 508282, Page 58Get this manual
Service Specifications Special Torque Chart
Description Leaf Valve Screws Intake Manifold Screws Cover and Bowl Screws 9.9 thru 20 Cover and Bowl Screws 2530
InLbs25-35 60-84 8-10 25-35
2,8-4,0 7-9 0,8-1,2 2,8-4,0