1992 Johnson Evinrude "EN" 9.9 thru 30 Service Manual, P/N 508142, Page 225Get this manual
Midsection Adjustments20 thru 30
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Steering Friction AdjustmentAdjust f.rictionwith motormounted to 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" steering
Idle Speed Adjustment
rJl The idle speed knob is located on the steering handleTurning
clockwise on the knob increases idle speed, turning counterclockwise decreases idle speedMake certain that throttle is in slow position and the motor is at normal operating temperature before making the idle speed adjustmentMotor should idle at recommended RPM in gear