1990 Johnson Evinrude "ES" 40 thru 55, P/N 507872, Page 185Get this manual
Midsection Adjustment45, 55 Steering Friction Adjustment Adjust the steering friction with motor mounted to boat by loosening or tightening the adjustment handleAdjust the steering friction until slight drag is felt when turningThe steering friction should be adjusted so that stable boat operation is maintained with minimum of operator effortDo not overtighten to allow for "hands off" steering which could result in loss of control