1995 Johnson/Evinrude Outboards 9.9, 15 four-stroke Service Manual, Page 146Get this manual
Midsection Adjustments Tilt Friction Adjustment
Use 9A6 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 used Do not overtightenThe steering friction screw is not intended to allow "hands off" steering
The idle speed adjusting knob is located on the steering handleTurning the knob clockwise increases idle speed, turning it 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 setting Turn the knob: