1996 Johnson/Evinrude Outboards 25, 35 3-Cylinder Service Manual, Page 178Get this manual
Twist-Grip Throttle Service Disassembly]1Using OVK: Twist-Grip Throttle Remover, PIN 390767, depress the grip detentsTighten screw and remove the grip by pulling grip and turning the idle adjustment knob CD clockwise] 2Remove the helix halves P, rollersand guides
3Pull the throttle pin out of the cable 4Remove throttle end cap from inner handle