1998 Johnson Evinrude "EC" 9.9 thru 30 HP 2-Cylinder Outboards Service Manual, Page 43Get this manual
Synchronization and Linkage Adjustments 9.9 thru 15 NoteIt 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 rangeNoteIf equipped, remove both remote control cables from the engine before performing these adjustmentsPreliminary Adjustments
1Tiller ModelsTurn the idle adjusting knob counterclockwise to the full SLOW position
rn Remove the pin retaining the connector to the throttle lever
Turn the connector clockwise until it seatsTurn counte rclockwise no more than one-half turn to align it with the throttle leverInstall the retaining pinThe throttle cable bracket must be flush with the inside edge of the threaded cableTo adjust, remove screw and turn bracketInstall screw