1990 Johnson Evinrude "ES" 60 thru 70 Service Manual, P/N 507873, Page 180Get this manual
Adjustments65 CommSteering Friction
1191 Adjust steering friction with motor mounted to boat by simply
loosening or tightening handle provided Steering friction should be adjusted so that slight drag is felt when turning This will allow smooth steering Steering friction adjustment should not be overtightened to allow for "hands off" steering which could result in loss of control:
Motor Angle
1201 The stern bracket has five positions for adjusting the motor