1998 Johnson Evinrude "EC" 9.9 thru 30 HP 2-Cylinder Outboards Service Manual, Page 44Get this manual
Cam Follower Pickup Point
[] 1Connect throttle shaft amplifiersuch as the one shownto the carburetor throttle shaft
rn 2At this point, the center of the rollerofamplifier align with Advance the throttle until the tip begins to moveshould
single mark
3To adjust, use ave Ballhex Screwdriver, PI 327622Back out cam follower adjusting screw until the cam and cam follower do not touchTurn in screw until amplifier begins to move and check to verify the mark on the cam aligns with the center of the cam followerRepeat procedure if necessaryIf air silencer is on, remove plug to adjust screwReinstall plug after procedure
Wide-Open-Throttle Adjustment