1996 Johnson Evinrude "ED" 9.9 thru 30 2-Cylinder Service Manual, P/N 507122, Page 208Get this manual
Midsection Adjustments9.915
Tilt Friction Adjustment (Tiller Handle Models) Use 916 inwrench to tighten the tilt shaft nut only enough to control the return of the gearcase from TILT to RUN position
Steering Friction Adjustment Adjust steering friction with motor mounted to boat by loosening or tightening screw with screwdriverSteering friction should be adjusted so that slight drag is felt when turningMinimum friction is required when remote steering is usedDo not overtightenThe steering friction screw is not intended to allow "hands off" steering
Idle Speed Adjustment
rn TheTurning the knob clockwise increases idleonspeed,steering idle speed adjusting knob is located the turning handleit 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 gearThrottle Friction Adjustment Some models are equipped with throttle friction adjustment knob located on the steering handleTighten the knob to reduce the effort required to hold throttle settingTurn the knob: clockwise to increase friction counterclockwise to decrease friction