1990 Johnson Evinrude 120 thru 140, 185 thru 225, 300 HP, P/N 507875, Page 44Get this manual
Throttle Plate Synchronization V4 Models plates, ensure that the throttle cam and throttle cam follower are not touchingLoosen the cam follower screw and move the cam follower away from the throttle cam'3l 2Loosen both carburetor link adjustment screws no more than 12 turn'3l 3Seat all throttle platesCarefully tighten both adjustment screws while supporting the rear of the link '3l 1Before synchronizing the throttle
] 4Leave the cam follower screw looseINotel Light pressure should be applied to throttle plates during
this procedure to ensure that they close completelyThrottle Plate Synchronization V6 Models f41 1Before synchronizing the throttle plates, ensure that the l!J throttle cam and throttle cam follower are not touchingLoosen the cam follower screw and move the cam follower away from the throttle cam