1991 Johnson/Evinrude EI 60 thru 70 outboards Service Manual, Page 194Get this manual
Adjustments65 CommSteering Friction
rv Adjust steeringtightening handle providedto boat by friction friction with motor mounted simply loosening or Steering
should be adjusted so that slight drag is felt when turningThis will allow smooth steering
i allow for "hands off" steering which could result in loss of
controlMotor Angle allow for transom angle and boat loadingThe vertical angle of motor on boat must be adjusted for best performanceMotor should be perpendicular to water when boat is underwayThis adjustment can only be determined by observing boat at operating speedSet angle adjustment for your usual loadAngle adjustment should be changed if boat loading results in improper motor anglePlaning type hull should ride with bow slightly out of water at full throttle