1997 Johnson Evinrude "EU" 9.9 thru 30 2-Cylinder Service Manual, P/N 507263, Page 216Get this manual
Midsection Adjustments20 thru 30 Steering Friction Adjustment
Adjust steering friction with motor mounted to boat by loosening or tightening screw with screwdriver, as shownSteering friction should be adjusted so that slight drag is felt when turningMinimum friction is required when remote steering is usedThe steering friction screw is not intended to allow "hands off" steeringIdle Speed Adjustment