1990 Johnson Evinrude "ES" 60 thru 70 Service Manual, P/N 507873, Page 46Get this manual
Cam Follower Pickup rJl 1Connect throttle shaft amplifier throttle shaft plate, as shown to
the top carburetor
While advancing the throttle cam, the embossed mark on the cam should align with the center of the cam follower as tip of the amplifier begins to moveWith the follower screw loose, align the embossed mark on throttle cam with center of the cam followerWith the throttle plates in the closed position, hold the cam follower against the embossed mark and tighten the cam follower screwThrottle Cam
f81 2f81 3