1993 Johnson Evinrude "ET" 9.9 thru 30 Service Manual, P/N 508282, Page 44Get this manual
Synchronization and Linkage Adjustments 9.9 thru 15 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 rangeIf equipped, remove both remote control cables from the engine before performing these adjustmentsCam Follower Pickup Point
rv wise to the full SLOW position adjusting knob counterclock1Tiller modelsTurn the idle
2Remote modelsBack out idle speed screw until throttle lever touches powerhead
1313Connect throttle shaft amplifiersuch as the one shown,