1989 Johnson Evinrude "CE" Colt/Junior thru 8 Service Manual, P/N 507753, Page 210Get this manual
Midsection Adjustments Tilt Friction Adjustment
1101 Use 0,6 inwrench to tighten the tilt shaft nut only enough to
control the return of the gearcase from TILT to RUN positionDO NOT overtighten, as doing so will increase the pressure required to tilt the motor if an obstruction is hitFailure to tilt when hitting an obstruction can cause serious damage to the motorSteering Friction Adjustment
f11l Adjust
steering friction with motor mounted to boat by loosening or tightening screwSteering friction should be adjusted so that slight drag is felt when turning The steering friction adjustment should not be over-
ill tightened to allow "hands off" steering which could result
in loss of controlIdle Speed Adjustment idle speed adjusting knob is located on the steering handleTurning clockwise on the knob increases idle speed, turning counterclockwise decreases idle speedMake certain that throttle grip is in slow position and the motor is at normal operating temperature before making the idle speed adjustment