1993 Johnson Evinrude "ET" 2 thru 8 Service Manual, P/N 508281, Page 194Get this manual
Midsection Adjustments2, 2.3, 3.3 Tilt Adjustment
Pull tilt knob out and tilt engine all the way upPush knob back and let engine down to make contact with tilt pin
Tilting Friction
EJ any position of tilt
f61 Tighten the tilt shaft nut only enough to hold the motor in
DO NOT overtighten, as doing so will increase the pressure required to tilt the motor when an obstruction is hitFailure to tilt when hitting an obstruction can cause serious damage to the motorSteering Friction