1994 Johnson/Evinrude "ER" 2 thru 8 outboards Service Manual, Page 46Get this manual
Synchronization and Linkage Adjustments Deluxe It is important that this step-by-step procedure be followed in sequence and be performed exactly as written to ensure consistent engine idling and smooth operation throughout the RPM rangeCam Follower Pickup Point f1l 1Connect throttle shaft amplifiersuch as the one shown, to the carburetor throttle shaft2Advance the throttle until the tip of amplifier begins to moveAt this point, center of the roller should align with single mark on camf1l 3Back out cam follower adjustment screw with OMC Ballhex Driver, PIN 327622until the throttle valve is closed completelyThen advance the screw until the throttle shaft just begins to rotateDR2145