1994 Johnson/Evinrude "ER" CV 85 thru 115 outboards Service Manual, Page 39Get this manual
Throttle Valve Synchronization
1With the engine not running, remove the air silencer cover to observe the throttle valve action
2Loosen the throttle cam follower screw Push the throttle cam follower away from the throttle camThe throttle cam follower must not touch the throttle cam during this procedure3Loosen the lower carburetor lever adjusting screw f111 4Partially open the throttle shafts and allow them to snap closed to be certain the throttle valves are closed Press downward on tab of the adjusting link to remove backlashTighten the adjusting screwMove the cam follower and that the throttle shafts start to rotate at the same timeCam Follower Pickup r:;2l 1Connect throttle shaft amplifier to throttle plate as shownr:J3l 2While 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 move7476