1996 Johnson Evinrude "ED" 9.9 thru 30 2-Cylinder Service Repair Manual, P/N 507122, Page 252Get this manual
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Trim Tab Adjustment20, 25, 30 &
Important
Tighten the trim tab screw to torque of 60-84 inIbs(7-9 Nm) Test the boat and, if needed, repeat the procedure until steering effort is as