1999 EE Johnson Outboards 25, 35 3-Cylinder Service Manual, Page 180Get this manual
Midsection Adjustments Steering Friction Adjustment
Adjust steering friction with motor mounted to boat by loosening or tightening screw with screwdriver, as shown Steering friction should be adjusted so that slight drag is felt when turningMinimum friction is required when remote steering is used The steering friction screw is not intended to allow "hands off" steeringIdle Speed Adjustment