1997 Johnson Evinrude "EU" 125C, 130, 200, 225, 250 90 LV Service Manual, P/N 507269, Page 44Get this manual
Throttle Plate Synchronization
INote Apply
light pressure to throttle plates during this procedure to make sure they close completely1Remove the air silencerrn rn rn
2Loosen, but do not remove, the port throttle lever screw and the starboard throttle lever screw
INote Do not remove link from either throttle lever stud3Verify that throttle levers and around their throttle shaft
can rotate freely
and throttle cam
4Seat all throttle platesRotate the starboard throttle lever CD until cam follower Q) touches the throttle cam at bisect point 5Tighten starboard throttle lever screw making sure the starboard throttle plates are closed