1990 Johnson Evinrude "ES" Colt/Junior thru 8 Service Manual, P/N 507870, Page 189Get this manual
Midsection Adjustments Tilt Friction
f6l Use '1116 inwrench to tighten the tilt shaft nut only enough to
hold the motor in any position of tiltDO 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
IJl Adjust
the steering friction with motor mounted to boat by loosening or tightening the adjustment screwAdjust the steering until slight drag is felt when turning '" The steering friction should be adjusted so that stable boat