1965 Evinrude 90 HP StarFlite Service Manual, PN 4206, Page 20Get this manual
LOW-SPEED NEEDLESSee Figure 3-18aRemove friction springs, low-speed adjusting knobs, and control knob adjusting linkThe low speed knobs are friction spline fit on the lowspeed needles; use screwdriver to pry them offSee Figure 3-19bWith the use of low-speed adjusting knob, turn low-speed needles counterclockwise to removeUse care to prevent loss of retaining ring, spring, and washersSee Figure 3-20 "0" RING
RETAINING RING
Figure 3-19Removing Control Knobs FLOATS AND NEEDLES